Question

The value of(0.68)²-(o.32)²​

Answer 1

Answer:

it is like a square - b square =( a+b) (a-b)

where a=0.68 , b=0.32

(a+b) (a-b)

(0.68 + 0.32 ) (0.68-0.32)

0.68(0.68-0.32) + 0.32 (0.68-0.32)

0.36+0.36

= 0.72 is the answer

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