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Let `f:[-1,2]->[0,oo)` be a continuous function such that `f(x)=f(1-x)fora l lx in [-1,2]dot` Let `R_1=int_(-1)^2xf(x)dx ,` and `R_2` be the area of the region bounded by `y=f(x),x=-1,x=2,` and the x- axis . Then `R_1=2R_2` (b) `R_1=3R_2` (c) `2R_1=R_2` (d) `3R_1=R_2`

A

`R_(1)=2R_(2)`

B

`R_(1)=3R_(2)`

C

`2R_(1)=R_(2)`

D

`3R_(1)=R_(2)`

Text Solution

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The correct Answer is:
C
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