Question

Evaluate the following by using suitable identities:
1)304²

Answer 1

Answer:

92416

Step-by-step explanation:

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Given:-

${304}^{2} \\ \\ now \: we \: can \: use \\ \\ {(x + y)}^{2} = {x}^{2} + 2xy + {y}^{2} \\ \\ apply \: this \\ \\ {(300 + 4)}^{2} \\ \\ {300}^{2} + 2 \times 300 \times 4 + {4}^{2} \\ \\ 90000 + 2400 + 16 \\ \\ 92416$