Question

evaluate
10.5 9.5 into 9.5 squareusing identities

Answer 1

Answer:

9.975

Step-by-step explanation:

1.05×9.5

By identities of ,

a²-b² =(a+b) (a-b)

1.05 × 0.95 × 10

(1 + 0.05)× (1− 0.05) × 10

[(1)²  − (0.05)²] × 10

 [1 − 0.0025] × 10

0.9975 × 10

∴The answer is = 9.975