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Recent questions tagged square


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Let $A$ and $B$ be two square invertible matrices of the same order. Then $\left((A B)^{T}\right)^{-1}$ is equal to
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Let $A$ and $B$ be two square invertible matrices of the same order. Then $\left((A B)^{T}\right)^{-1}$ is equal toLet $A$ and $B$ be two square invertible matrices of the same order. Then $\left((A B)^{T}\right)^{-1}$ is equal to   A) $\left(B^{T}\right)^{- ...
by MathsGee Platinum
(103,512 points)
asked in Mathematics Jan 13
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Evaluate $\int_{1}^{2} \frac{1}{t+t^{2}} d t$ by completing the square and using trigonometric substitution. Show all your working. 

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Find $\int \sin ^{2} \theta \cos ^{2} \theta d \theta .$ Show all your working.
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Describe the process of simplifying a quadratic expression using the approach of "completing the square".
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Simplify \(x^{2}+6 x+5\) by completing the square.
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Simplify \(x^{2}-10 x+4\) by completing the square.
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Simplify \(5 x^{2}-30 x-2\) by completing the square.
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(a) By completing the square, find in terms of the constant \(k\) the roots of the equation \[ x^{2}+k x-6=0 \]
1 answer 35 views
(a) By completing the square, find in terms of the constant \(k\) the roots of the equation \[ x^{2}+k x-6=0 \](a) By completing the square, find in terms of the constant \(k\) the roots of the equation \ x^{2}+k x-6=0 \ (b) Hence find the exact roots of the ...
by MathsGee Platinum
(103,512 points)
asked in Mathematics Nov 9, 2021
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By completing the square, find in terms of the constant \(\mathrm{p}\) the roots of the equation
1 answer 55 views
By completing the square, find in terms of the constant \(\mathrm{p}\) the roots of the equation(a) By completing the square, find in terms of the constant \(\mathrm{p}\) the roots of the equation \ x^{2}+p x+4=0 \ (b) Hence find the set of val ...
by MathsGee Platinum
(103,512 points)
asked in Mathematics Nov 9, 2021
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What is the square root of 49?
1 answer 57 views
What is the square root of 49?What is the square root of 49? ...
by MathsGee Platinum
(103,512 points)
asked in Mathematics Sep 23, 2021
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A rectangle has a length that is 2 less than 3 times the width. If the area of this rectangle is 16 units, find the dimensions and the perimeter.
1 answer 417 views
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How do I determine the square root of a negative number?
1 answer 71 views
How do I determine the square root of a negative number?How do I determine the square root of a negative number? ...
by MathsGee Platinum
(103,512 points)
asked in Mathematics Aug 8, 2021
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Does $\sqrt{25}=\pm 5 ?$
1 answer 31 views
Does $\sqrt{25}=\pm 5 ?$Does $\sqrt{25}=\pm 5 ?$ ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Jul 29, 2021
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What is a principal square root?
1 answer 86 views
What is a principal square root?What is a principal square root? ...
by Maths Genie Bronze Status
(5,362 points)
asked in Mathematics Jul 29, 2021
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How is the relationship between a square root and its square determined?
1 answer 270 views
How is the relationship between a square root and its square determined?How is the relationship between a square root and its square determined? ...
by Edzai Zvobwo Bronze Status
(8,812 points)
asked in Mathematics Jul 29, 2021
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Give three differences between determinant and matrix each with example.
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Using the factoring method, solve the quadratic equation: $2 x^{2}-3 x=0$
1 answer 154 views
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Using the quadratic formula, solve the quadratic equation: $x-31 / x=0$
1 answer 55 views
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Using the factoring method, solve the quadratic equation: $x^{2}+4 x+4=0$
1 answer 78 views
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Solve the quadratic equation $3x^2-10x+3=0$
1 answer 43 views
Solve the quadratic equation $3x^2-10x+3=0$Solve the quadratic equation $3x^2-10x+3=0$ ...
by MathsGee Platinum
(103,512 points)
asked in Mathematics Jul 22, 2021
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Solve for $x: 2 x-y=(3 / 4) x+6$
1 answer 45 views
Solve for $x: 2 x-y=(3 / 4) x+6$Solve for $x: 2 x-y=(3 / 4) x+6$ ...
by MathsGee Platinum
(103,512 points)
asked in Mathematics Jul 16, 2021
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Determine the value of c (the last term) in the quadratic expression $x^2+4x+c$ if the expression is a perfect square.
1 answer 64 views
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