JEE Main 20245 Apr, Morning shiftMathematicsHardLimit, Continuity and Differentiability420× since 2002
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 :