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Source: — Data Sufficiency |
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by camitava » Sat Dec 01, 2007 2:21 am
From stmt - 1, directly we are getting x^2 + 1 is even. So the product will be even only.
From stmt-2, as each prime factor of x^2 is greater than 7, it means that x is an odd number. So x^2 + 1 is again even. So the product will also be even.
So IMO D.
Correct me If I am wrong


Regards,

Amitava
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