IPM Sample Paper 2020 | IPM Rohtak Quantitative Aptitude

IPMAT Sample Paper | IPMAT Question Paper | Question 16

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Question 16 : If minimum value of f(x) = x2 + 2bx + 2c2 is greater than the maximum value of g(x) = -x2 - 2cx + b2, then for real value of x.

1. |c| > √2|b|
2. √2|c| > b
3. 0 < c < √2b
4. no real value of a

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The question is "If minimum value of f(x) = x2 + 2bx + 2c2 is greater than the maximum value of g(x) = -x2 - 2cx + b2, then for real value of x."

Hence, the answer is |c| > √2|b|

Choice A is the correct answer

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