`int(x^3)/(sqrt(1+x^2))\ dx=a(1+x^2)^(3setminus2)+bsqrt(1+x^2)+C` , then `a=1/3,\ \ b=1` (b) `a=-1/3,\ \ b=1` (c) `a=-1/3,\ \ b=-1` (d) `a=1/3,\ \ b=-1`

int(x^3)/(sqrt(1+x^2))\ dx=a(1+x^2)^(3setminus2)+bsqrt(1+x^2)+C , then (a) a=1/3,\ \ b=1 (b) a=-1/3,\ \ b=1 (c) a=-1/3,\ \ b=-1 (d) a=1/3,\ \ b=-1

int (x^3)/(sqrt(1+x^2))dx=a(1+x^2)^(3//2)+bsqrt(1+x^2)+c ,then :

int(x^(3))/(sqrt(1+x^(2)))dx=a(1+x^(2))^((3)/(2))+b* sqrt(1+x^(2))+C

If int(x^(3)dx)/(sqrt(1+x^(2))) = a(1+x^(2))^(3//2) + bsqrt(1+x^(2)) + C , then

int(x^(3))/(sqrt(1+x^(2)))dx=a(1+x^(2))^(3backslash2)+b sqrt(1+x^(2))+C, then a=(1)/(3),quad b=1( b) a=-(1)/(3),b=1(c)a=-(1)/(3),b=-1(d)a=(1)/(3),quad b=-1

If int (x^3dx)/sqrt(1+x^2)=a(1+x^2)^3/2+bsqrt(1+x^2)+C , then

If int(1)/(sqrt(1-2x))dx=a(1-2x)^(3//2)+bsqrt(1-2x)+c , then (b)/(a)=

If int(xln(x+sqrt(1+x^2)))/(sqrt(1+x^2))dx =asqrt(1+x^2)ln(x+sqrt(1+x^2))+b x+c , then (A) a=1,b =-1 (B) a=1,b=1 (C) a=-1, b=1 (D) a=-1, b=-1

If int(xln(x+sqrt(1+x^2)))/(sqrt(1+x^2))dx =asqrt(1+x^2)ln(x+sqrt(1+x^2))+b x+c , then (A) a=1,b =-1 (B) a=1,b=1 (C) a=-1, b=1 (D) a=-1, b=-1