Question

find the square of 76 using formula (a + b)square =a square + b square + 2ab​

Answer 1

Answer:

Let a be 70

b be 6

(70+6)^2 = (70)^2 + (6)^2 + 2*70*6

= 4900+36+840

=5776

Answer:5776

Answer 2

Answer:

5576

Step-by-step explanation:

(a+b)² = a² + b² + 2ab

Here , we can write 76 as ( 70 + 6)² = 70² + 6² + ( 2*70*6)

= 4900 + 36 + 840

= 5740 + 36

= 5776

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