Question

evalute: (92)2-(91)2
please give answer​

Answer 1

92×2 or (92)²

if (92)² means answer will be 183

92×2 means answer will be 2

Answer 2

Answer:

Given (92)

2

−(91)

2

According to the property 8 i.e., for every natural number n, we have [(n+1)

2

−n

2

]=[(n+1)+n]

Here n=91

By applying the above property we get

(92)

2

−(91)

2

=(91+1)+91=91+92=183

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