Question

Please solve 308 × 292 using suitable identity

Answer 1

(300+8)×(300-8)
$(a - b)(a + b) = a^{2} - b^{2}$
(300)² - (8)²
90000 - 64
89936

Answer 2

$(300 + 8) \times (300 - 8) \\ (a + b)(a - b) = {a }^{2} - {b}^{2} \\ {300}^{2} - {8}^{2} = 90000 - 64 \\ = 89936$
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