Question

Evaluate (98)2 using suitable identities.

Answer 1

Answer:

9604

Explanation:

(98)^2 = (100-2)^2

Using suitable identity (a-b)^2 = (a)^2 + (b)^2 - 2ab

(100)^2 + (2)^2 - 2×100×2

10000 + 4 - 400

9604

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