JEE Math Practice Question
Let $$f\left( x \right)$$ be a polynomial function of second degree. If $$f\left( 1 \right) = f\left( { - 1} \right)$$ and $$a,b,c$$ are in $$A.P, $$ then $$f'\left( a \right),f'\left( b \right),f'\left( c \right)$$ are in
- A.Arithmetic -Geometric Progression
- B.$$A.P$$
- C.$$G.P$$
- D.$$H.P$$
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