How to solve 10.5 into 9.5 using identities – InterviewSolution

1.

How to solve 10.5 into 9.5 using identities

Answer»

Step-by-step explanation:

9.5 * 10.5

(10-0.5)(10+0.5)

By IDENTITY a²-b² =(a+b) (a-b)

(10)²-(0.5)²

100-0.25

99.75

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