Let S be the area of the region enclose...

Let `S` be the area of the region enclosed by `y=e^(-x^2),y=0,x=0,a n dx=1.` Then (a)`Sgeq1/e` (b) `Sgeq1=1/e` (c)`Slt=1/4(1+1/(sqrt(e)))` (d) `Slt=1/(sqrt(2))+1/(sqrt(e))(1-1/(sqrt(2)))`

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