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The area common to the parabolas y=2x^2 ...

The area common to the parabolas `y=2x^2` and `y=x^2+4` (in square units) is (A) `2/3` (B) `3/2` (C) `32/3` (D) `3/32`

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Correct option is C)
To Find the P.O.I of the parabolfor equating the equations `y=2 x^{2}` and `y=x^{2}+y`
we have
`2 x^{2}=x^{2}+4 `
`x^{2}=4 `
`x=pm 2 `
`y=8`
...
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