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Let I=inta^b (x^4−2x^2)dx for (a,b) whic...

Let `I=int_a^b (x^4−2x^2)dx` for `(a,b)` which given integration is minimum `(b > 0)` (a) `(sqrt2,-sqrt2)` (b) `(0,sqrt2)` (c) `(-sqrt2,sqrt2)` (d) `(sqrt2,0)`

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