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Question

The product of two positive consecutive integers is 462. Find those numbers.

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Solution

Let the integers be x & x+1
Then,
x(x+1)=462
x2+x462=0
x+22x21x462=0
x(x+22)21(x+22)=0
(x+22)(x21)=0
So x=21 or x=22.

But it is given that the positive integers have been taken into consideration. So, x=22 is not a valid solution.

If x=21 then,
x+1=21+1
=22

So, 21 and 22 and the two consecutive positive integers whose product is equal to 462.

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