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If `496 xx 492 = x^(2) - 4 (x gt 0)` , then x = `"________"`.A. 495B. 494C. 493D. 496 |
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Answer» Correct Answer - B Given , `496 xx 492 = x^(2) - 4`. `implies (424 + 2) (494-2) = x^(2) - 2^(2)` `implies (494)^(2) - 2^(2) = x^(2) - 2^(2)` `x^(2) = (494)^(2)` `x = 494 ( x gt 0)` Hence , the correct option is (b) . |
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