Question

Q)compute the following by using identity 9.5²​

Answer 1

Step-by-step explanation:

9.5²

(9+0.5)²

Identity used

(a+b)²= a²+2ab+b²

(9+0.5)²=9²+2(9)(0.5)+(0.5)²

= 81+9+0.25

90.25

Answer 2

Answer:

(9+0.5)²

=(9)² + 2×9×0.5 + (0.5)²

=81+9+0.25

=90.25