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Let f(x) = (a^(2)+b^(2)-4a-6b+13) (2x^(2...

Let f(x) = `(a^(2)+b^(2)-4a-6b+13) (2x^(2)-4x+5)` where a b` in` R such that f(0 ) =f(1) = f(2) . If a `,A_(1), A_(2) cdots , A_(10)` b is an A.P and a , `H_(1) , H_(2) , cdots , H_(10)` b is a H.P then the value of `(1)/(10) (sum_(r=4)^(8) A_(r) H_(11-r))`is

A

1

B

2

C

3

D

4

Text Solution

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The correct Answer is:
C
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