`int_0^oo(dx)/([x+sqrt(x^2+1)]^3)i se q u a lto` `3/8` (b) `1/8` (c) `-3/8` (d) none of these

int(dx)/(sqrt(3x^2+8))=

int_(8)^(15)(dx)/((x-3)sqrt(x+1)) is equal to

int(dx)/(sqrt(4x^(2)-3x+8))

int_(3)^(8)(2-3x)/(x sqrt(1+x))dx is equal to

(lim)_(nvecoo)1/x[int_y^a e^(sin^2t))dt-int_(x+y)^a e^(sin^2t))dt-]i se q u a lto (0,1] (b) [1,oo) (0,oo) (d) none of these

int sin^(-1)((2x)/(1+x^(2)))dx is e q u a lto

If A+B+C=pi , then the value of the determinant D=|sin^2AcotA1sin^2BcotB1sin^2CcotC1|i se q u a lto 1 (b) -1 (c) 0 (d) None of these

int(1)/(sqrt(8+3x-n^(2)))dx