Question

9.
. Evaluate 102^2 by using the identity (a + b)2 = a² + 2ab + b^2
0. Find the value​

Answer 1

Step-by-step explanation:

(102)^2

(100+2)^2

100^2+2^2+2(100)(2)

10000+4+400

10404

Answer 2

Answer:

10,404

Step-by-step explanation:

$( {102)}^{2} \\ = )(100 + 2 {) }^{2} \\ =)(x + y {) } ^{2} = {x}^{2} + {y}^{2} + 2xy \\ = )(100 {)}^{2} + {(2)}^{2} + (2 \times 100 \times 2) \\ = )(1000) + (4) + (400) \\ = )10404$

Hope it helped