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1. |
Let l be the length and b be the breadth of a rectangle such that l + b = k. What is the maximum area of rectangle? |
A. | 2k2 |
B. | k2 |
C. | \(\rm \dfrac{k^2}{2}\) |
D. | \(\rm \dfrac{k^2}{4}\) |
Answer» E. | |