Question

21.
If the zeroes of the polynomial 64x^3 - 144x^2 +92x-15 are in A.P., then the difference between
the largest and the smallest zeroes of the polynomial is(with solution )

(A) 1
(B)7/8
(C)3/4
(D)1/2

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Answer 1

Answer:

I think the answer is C .......