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(i) The two sides of a rectangle are x u...

(i) The two sides of a rectangle are x units and (10 - x) units. For what value of x, the area of rectangle will be maximum?
(ii) Prove that a rectangle, whose area is constant has minimum perimeter if it is a square.

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The correct Answer is:
x = 5
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NAGEEN PRAKASHAN ENGLISH-APPLICATIONS OF DERIVATIVES-Exercise 6g
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