I: The area bounded by the curve y=x3 and the ordinates x=−2 and x=1 with X-axis is 174sq. units. II: The area bounded by the parabola y2=x and the straight line y=4 with Y-axis is 643 sq. units. Which of the above statement is correct?
A
Only I
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B
Only II
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C
Both I and II
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D
Neither I nor II.
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Solution
The correct option is C Both I and II I: ∫1−2x3dx=−∫0−2x3dx+∫10x3dx =−[x44]0−2+[x44]10=174 II: ∫160√xdx=[x3/23/2]160=643