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Question

The area bounded by the parabola y=x2+2, X - axis and lines x=1 and x=2 is _______

A
92
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B
133
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C
73
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D
323
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Solution

The correct option is C 133

The required area is
A=21ydx
A=21(x2+2)dx
A=[x33+2x]21
=(83+4)(13+2)
A=133

885251_959860_ans_8f524fe8f801443fa57a4fabc4c4ca0c.png

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