The correct option is B (a + b)^2 nbsp;By using,(a b)^2= a^2 2ab +b^2 (a b)^2+ 4ab =a^2 2ab +b^2+ 4ab = a^2 + 2ab +b^2 = (a + b)^2 ...

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Expansion of (x-y)^2

a-b2+4 a b=

Question

${(a - b)}^{2}$ + $4 a b$ =

a^{2} + b^{2}

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(a + b)^{2}

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a^{2} - b^{2}

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a^{2} - b^{2} + 4 a b

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Solution

The correct option is B $(a + b)^{2}$
$B y u s i n g, {(a - b)}^{2} = a^{2} - 2 a b + b^{2}$
${(a - b)}^{2} + 4 a b = a^{2} - 2 a b + b^{2} + 4 a b$
$= a^{2} + 2 a b + b^{2}$
$= {(a + b)}^{2}$

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Similar questions

{(a + b)}^{2} - (a - b)^{2} = 4 a b

{(a - b)}^{2} + 4 a b

Simplify :
${(a - b)}^{2} + 4 a b$

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

(a + b)^{2} - (a - b)^{2} = 4 a b

[{(a + b)}^{2} - 4 a b] \div (a - b)

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