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If f(x){(1-sin^2x)/(3cos^2x),xltpi/2 an...

If `f(x){(1-sin^2x)/(3cos^2x),xltpi/2 and a,x=pi/2 and (b(1-sinx))/(pi-2x)^2 , xgtpi/2`then `f(x)` is continuous at `x=pi/2,if` (a)`a=1/3,b=2` (b) `a=1/3,=8/3` (c)`a=2/3,b=8/3` (d) none of these

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