# Recent questions tagged concave

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Determine the image distance and image height for a 4.0-cm tall object placed 12.0-cm from a converging having a focal length of 18.0 cm.

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Does MathsGee have an image formation in concave and convex lenses simulation?
Does MathsGee have an image formation in concave and convex lenses simulation?Does MathsGee have an image formation in concave and convex lenses simulation? ...
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What is the derivative of $\sinh (x)$ with respect to $x$ ?
What is the derivative of $\sinh (x)$ with respect to $x$ ?What is the derivative of $\sinh (x)$ with respect to $x$ ? ...
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What is the general antiderivative of $6 x^{2}+2 x+5 ?$
What is the general antiderivative of $6 x^{2}+2 x+5 ?$What is the general antiderivative of $6 x^{2}+2 x+5 ?$ ...
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Find the general form for the following antiderivative: $\int \frac{z}{z^{2}+9} d z$
Find the general form for the following antiderivative: $\int \frac{z}{z^{2}+9} d z$Find the general form for the following antiderivative: $\int \frac{z}{z^{2}+9} d z$ ...
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The function $f(x)=\dfrac{x^{3}-6 x}{x^{2}-4}$ has ...
The function $f(x)=\dfrac{x^{3}-6 x}{x^{2}-4}$ has ...The function $f(x)=\dfrac{x^{3}-6 x}{x^{2}-4}$ has &nbsp; A. no point of inflection and is concave up on $(-\infty, \infty)$, &nbsp; B. no point o ...
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Evaluate the integral: $\int \dfrac{3 x+2}{\sqrt{4-3 x^{2}}} d x$
Evaluate the integral: $\int \dfrac{3 x+2}{\sqrt{4-3 x^{2}}} d x$Evaluate the integral: &nbsp;&nbsp;$\int \dfrac{3 x+2}{\sqrt{4-3 x^{2}}} d x$ ...
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Evaluate the integral: $\int_{0}^{\pi} 2 x \cos 2 x d x$
Evaluate the integral: $\int_{0}^{\pi} 2 x \cos 2 x d x$Evaluate the integral: $\int_{0}^{\pi} 2 x \cos 2 x d x$ ...
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Evaluate $\int \dfrac{\ln z}{(1+z)^{2}} d z$
Evaluate $\int \dfrac{\ln z}{(1+z)^{2}} d z$Evaluate $\int \dfrac{\ln z}{(1+z)^{2}} d z$ ...
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Evaluate the following integral: $\int \frac{t}{\sqrt{t^{4}-1}} d t$.
Evaluate the following integral: $\int \frac{t}{\sqrt{t^{4}-1}} d t$. Evaluate the following integral: $\int \dfrac{t}{\sqrt{t^{4}-1}} d t$. Hint:&nbsp;You may use the fact that $\int \sec \theta d \theta=\ln |\sec ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Evaluate the integral$\int_{1}^{2} \dfrac{2 s-2}{\sqrt{-s^{2}+2 s+3}} d s$0 answers 124 views Evaluate the integral$\int_{1}^{2} \dfrac{2 s-2}{\sqrt{-s^{2}+2 s+3}} d s$Evaluate the integral$\int_{1}^{2} \dfrac{2 s-2}{\sqrt{-s^{2}+2 s+3}} d s$... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Evaluate$\int_{-1}^{2} \dfrac{x}{\sqrt{10+2 x+x^{2}}} d x=$0 answers 51 views Evaluate$\int_{-1}^{2} \dfrac{x}{\sqrt{10+2 x+x^{2}}} d x=$Evaluate$\int_{-1}^{2} \dfrac{x}{\sqrt{10+2 x+x^{2}}} d x=$&nbsp; &nbsp; A.$\quad 3(1-\sqrt{2})-\ln (1+\sqrt{2})$&nbsp; B.$3(\sqrt{2}-1)-\ln ...
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Evaluate $\int_{0}^{\pi / 4} \sin 3 x \cos 5 x d x=$
Evaluate $\int_{0}^{\pi / 4} \sin 3 x \cos 5 x d x=$Evaluate $\int_{0}^{\pi / 4} \sin 3 x \cos 5 x d x=$ &nbsp; A. $\frac{1}{2}$ &nbsp; B. $-\frac{1}{2}$ &nbsp; C. $\frac{1}{4}$ &nbsp; D. $-\fra ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Evaluate$\int_{0}^{\infty} \frac{4}{x^{2}+2} d x=$0 answers 43 views Evaluate$\int_{0}^{\infty} \frac{4}{x^{2}+2} d x=$Evaluate$\int_{0}^{\infty} \frac{4}{x^{2}+2} d x=$&nbsp; A.$-\frac{\pi}{\sqrt{2}}$&nbsp; B.$\quad \sqrt{2} \pi$&nbsp; C.$\frac{\pi}{\sqrt ...
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What is the most suitable substitution to use to solve the integral $\int \frac{1}{\sqrt{t^{2}-81}} d t ?$
What is the most suitable substitution to use to solve the integral $\int \frac{1}{\sqrt{t^{2}-81}} d t ?$What is the most suitable substitution to use to solve the integral $\int \frac{1}{\sqrt{t^{2}-81}} d t ?$ &nbsp; A) $t=9 \sec \theta$. &nbsp; B) ...
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The derivative with respect to $x$ of $\int_{\frac{\pi}{7}}^{x} e^{t^{2}} \operatorname{cosec}(t) d t$ is
The derivative with respect to $x$ of $\int_{\frac{\pi}{7}}^{x} e^{t^{2}} \operatorname{cosec}(t) d t$ isThe derivative with respect to $x$ of $\int_{\frac{\pi}{7}}^{x} e^{t^{2}} \operatorname{cosec}(t) d t$ is &nbsp; A) $e^{x^{2}} \operatorname{cosec}( ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Evaluate$\int_{0}^{2} \frac{3}{x^{2}-6 x+12} d x$0 answers 36 views Evaluate$\int_{0}^{2} \frac{3}{x^{2}-6 x+12} d x$Evaluate$\int_{0}^{2} \frac{3}{x^{2}-6 x+12} d x$... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Evaluate$\int \frac{x^{2}}{\sqrt{4-x^{2}}} d x$0 answers 39 views Evaluate$\int \frac{x^{2}}{\sqrt{4-x^{2}}} d x$Evaluate$\int \frac{x^{2}}{\sqrt{4-x^{2}}} d x$... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Evaluate$\int \frac{9-x^{2}}{x^{3}+9 x} d x$0 answers 45 views Evaluate$\int \frac{9-x^{2}}{x^{3}+9 x} d x$Evaluate$\int \frac{9-x^{2}}{x^{3}+9 x} d x$... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Evaluate$\int \frac{d x}{x^{2} \sqrt{x^{2}-4}}$0 answers 56 views Evaluate$\int \frac{d x}{x^{2} \sqrt{x^{2}-4}}$Evaluate &nbsp;$\int \frac{d x}{x^{2} \sqrt{x^{2}-4}}$... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 A virtual image can be formed by one or more of the following single mirrors? Identify them. 1 answer 108 views A virtual image can be formed by one or more of the following single mirrors? Identify them.A virtual image can be formed by one or more of the following single mirrors? Identify them. w) plane mirror x) concave spherical mirror y) convex ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 The focal length of a concave spherical mirror is equal to 1 meter. What is the radius of curvature of this mirror? 1 answer 126 views The focal length of a concave spherical mirror is equal to 1 meter. What is the radius of curvature of this mirror?The focal length of a concave spherical mirror is equal to 1 meter. What is the radius of curvature of this mirror? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 A converging thin lens has a focal length of 27 centimeters. An object is placed 9 centimeters from the lens. Where is the image of this object formed? 1 answer 228 views A converging thin lens has a focal length of 27 centimeters. An object is placed 9 centimeters from the lens. Where is the image of this object formed?A converging thin lens has a focal length of 27 centimeters. An object is placed 9 centimeters from the lens. Where is the image of this object formed ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 The focal length of a concave mirror is 2 meters. An object is positioned 8 meters in front of the mirror. Where is the image of this object formed 1 answer 190 views The focal length of a concave mirror is 2 meters. An object is positioned 8 meters in front of the mirror. Where is the image of this object formedThe focal length of a concave mirror is 2 meters. An object is positioned 8 meters in front of the mirror. Where is the image of this object formed ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Show that the concavity of$h$changes at$x=\frac{1}{2}$. 1 answer 98 views Show that the concavity of$h$changes at$x=\frac{1}{2}$. Given:$h(x)=-x^{3}+a x^{2}+b x$and$g(x)=12 x . P$and$Q(2 ; 10)$are the turning points of$h$. The graph of$h\$ passes through the origin. ...
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What's the difference between convex and concave lens?