Mathematics · 2021
JEE Main · 31 August 2021, Shift 2 · Q85
Let f(x) be a cubic polynomial with f(1)=-10, f(-1)=6, and has a local minima at x=1, and f^′(x) has a local minima at x=-1. Then f(3) is equal to \…
Let $\displaystyle f(x)$ be a cubic polynomial with $\displaystyle f(1)=-10, f(-1)=6$, and has a local minima at $\displaystyle x=1$, and $\displaystyle f^{\prime}(x)$ has a local minima at $\displaystyle x=-1$. Then $\displaystyle f(3)$ is equal to \_\_\_\_.
Official answer
22
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