Q.

The area of the region: R=x,y:5x2≤y≤2x2+9 is

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a

113   square  units

b

63   square  units

c

93   square  units

d

123   square  units

answer is D.

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Detailed Solution

Consider the figure  A=2∫032x2−5x2+9 dx=2×93−33=123Therefore, the area of the region is 123 sqaure units
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