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If 16x^4-32x^3+ax^2+bx+1=0, a,b in R ha...

If `16x^4-32x^3+ax^2+bx+1=0`, `a,b in R` has positive real roots only, then `a-b` is equal to :

A

`-32`

B

`32`

C

49

D

`-49`

Text Solution

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The correct Answer is:
B
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VIKAS GUPTA (BLACK BOOK)-SEQUENCE AND SERIES -EXERCISE (SUBJECTIVE TYPE PROBLEMS)
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  2. Let a ,b ,c ,d be four distinct real numbers in A.P. Then half of the ...

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