JEE Math Practice Question
Let the function $$f(x) = 2{x^3} + (2p - 7){x^2} + 3(2p - 9)x - 6$$ have a maxima for some value of $$x 0$$. Then, the set of all values of p is
- A.$$\left( { - {9 \over 2},{9 \over 2}} \right)$$
- B.$$\left( {{9 \over 2},\infty } \right)$$
- C.$$\left( {0,{9 \over 2}} \right)$$
- D.$$\left( { - \infty ,{9 \over 2}} \right)$$
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