Question

find - (2+5)square

formula is (a+b)square : a square + b square + 2 ab​

Answer 1

Answer:

$49$

Step-by-step explanation:

${(2 + 5)}^{2} = {2}^{2} + {5}^{2} + 2 \times 2 \times 5$

$= 4 + 25 + 20$

$= 49$

Answer 2

$\large\sf\blue{ Answer–›}$

Q. (2+5)²

formula = (a+b)² = a²+b²+ 2ab

so,

(2)² + (5)² + 2(2)(5)

= 4 + 25 + 20

= 49 ans.

Hope it helps

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