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Given P(x) = x4 +ax3 + bx2 +cx + d such that x = 0 is the only real root of P' (x) =0. If P(–1) (1) is the maximum of P (2) P(–1) is not minimum but P(1) is the maximum of P (3) P(–1) is the minimum but P(1) is not the maximum of P (4) Neither P(–1) is the minimum nor P(1) is the maximum of P

Given P(x) = x4 +ax3 + bx2 +cx + d such that x = 0 is the only real root of P' (x) =0. If P(–1) < P(1), then in the interval [–1,1] - (1) P (–1) is the minimum and P
(1) is the maximum of P
(2) P(–1) is not minimum but P(1) is the maximum of P
(3) P(–1) is the minimum but P(1) is not the maximum of P
(4) Neither P(–1) is the minimum nor P(1) is the maximum of P

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
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Vikas TU
14149 Points
one year ago
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Dear student 
Please refer the clear image , 
The image above does not looks good , it is blurr.
Hope for the best 
Good Luck 
Cheers 
 

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