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Question

Area enclosed by the curve y = f(x) defined parametrically as x=1t21+t2, y=2t1+t2 is equal to

A
π sq. units
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B
π2 sq. unit
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C
3π4 sq. units
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D
3π2 sq. units
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Solution

The correct option is A π sq. units
Clearly t can be any real number
Let t=tanθ

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