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Substitution

how from a+b ...

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how from a+b the whole square =a square+b square+2ab-2ab+2ab has obtained a+b the whole square=a-b the whole square+ 4ab

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Q. What is the figure for the identity

(a+b)the whole square=(a) square + 2ab + (b) square

(a^{2} + 2 a b + b^{2})

is a perfect square.

All the formula of polynomials (like a - b whole squre , a+ b whole squre, a squre - b square

Q. Find the square of 32 by using the formula

(a + b)^{2} = a^{2} + 2 a b + b^{2}

Q. Find the square root of

2 a - \sqrt{3 a^{2} - 2 a b - b^{2}}

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