What is the value of the following expression? 394 × 394 + 2 × 394 × 106 + 106 × 106

What is the value of the following expression? 394 × 394 + 2 × 394 × 106 + 106 × 106 Correct Answer 250000

Given:

394 × 394 + 2 × 394 × 106 + 106 × 106

Formula:

(A + B)2 = A2 + 2AB + B2

Calculation:

⇒ 394 × 394 + 2 × 394 × 106 + 106 × 106 = (394 + 106)2

∴ 394 × 394 + 2 × 394 × 106 + 106 × 106 = 250000

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