Question

expand . 1}
${(5a + 6b)}^{2}$

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Answer 1

विस्तार करा - (5a + 6b)²

We know that :

( a + b )^2 = a^2 + 2ab + b^2

Similarly, in your question,

$\tt \small{(5a + 6b) {}^{2} =( 5a) {}^{2} + 2 \times 5a \times 6b \times (6b) {}}^{2}(5a+6b)$

Simplifying further, we get :

$\tt {= 25 {a}^{2}+ 60ab + 36b {}}^{2}$

Hence,

Final answer :

(5a + 6b) = 25a² + 60ab + 36b².

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