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Question

Find two consecutive positive integers whose product is 306.

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Solution


Let the 2 consecutive positive integers are :x and x+1.Now, xx+1 = 306x2+x - 306 = 0x2+18x - 17x - 306 = 0xx+18 - 17x + 18 = 0x-17x+18 = 0x-17 = 0 or x+18 = 0x = 17 or x = -18 rejectedHence required positive integers are : 17 and 18

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