JEE Main 2025January, Unspecified (session-level dataset)MathematicsMediumSets, Relations and Functions168× since 2002If f(x)=x222+2f(x) = \frac{x^2}{2^2 + \sqrt{2}}f(x)=22+2x2, x∈Rx \in \mathbb{R}x∈R, then ∑k=181f(x82)\sum_{k=1}^{81} f\left(\frac{x}{82}\right)∑k=181f(82x) is equal toAOption A. 1.8121.81 \sqrt{2}1.812BOption B. 41COption C. 82DOption D. 812\frac{81}{2}281CheckStep-by-step hintSkip · show solution
