JEE MainMathematicsApplication of DerivativesMCQ+4 / −1
Let a rectangle ABCD of sides 2 and 4 be inscribed in another rectangle PQRS such that the vertices of the rectangle ABCD lie on the sides of the rectangle PQRS. Let a and b be the sides of the rectangle PQRS when its area is maximum. Then (a+b) is equal to :
- A64
- B80
- C60
- D72
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