`("lim")_(x->oo){(x^3+1)/(x^2+1)-(a x+b)}=2,t h e n` (a)`a=1,b=1` (b) `a=1,b=2` (c)`a=1,b=-2` (d) none of these

(lim)_(x rarr oo){(x^(3)+1)/(x^(2)+1)-(ax+b)}=2,then(a)a=1,b=1(b)a=1,b=2(c)a=1,b=-2(d) none of these

If lim_(x->oo)((x^2+x+1)/(x+1)-a x-b)=4,t h e n (a) a=1,b=4 (b) a=1,b=-4 (c) a=2,b=-3 (d) a=2,b=3

If lim_(x->oo)((x^2+x+1)/(x+1)-a x-b)=4,t h e n (a) a=1,b=4 (b) a=1,b=-4 (c) a=2,b=-3 (d) a=2,b=3

If lim_(x rarr oo)((x^(2)+x+1)/(x+1)-ax-b)=4,then(a)a=1,b=4( b) a=1,b=-4(c)a=2,b=-3(d)a=2,b=3

If f^(prime)(x)=sqrt(2x^2-1)a n dy=f(x^2),t h e n(dy)/(dx)a tx=1 is 2 (b) 1 (c) -2 (d) none of these

If lim_(x to oo) [ (x^(3)+1)/(x^(2)+1)-(ax+b)]=2 , then the values of a and b are -

If intx^(2)*e^(-2x)dx=e^(-2x)(ax^(2)+bx+c)+d , then a) a=1,b=1,c=1/2 b) a=1,b=-1,c=-1/2 c) a=1,b=-1,c=-1/2 d)None of these

If f^(prime)(x)=sqrt(2x^2-1) and y=f(x^2),t h e n(dy)/(dx) at x=1 is (a)2 (b) 1 (c) -2 (d) none of these

If f^(prime)(x)=sqrt(2x^2-1) and y=f(x^2),t h e n(dy)/(dx) at x=1 is (a)2 (b) 1 (c) -2 (d) none of these

If int(cos4x+1)/(cotx-tanx)dx = Acos4x+B ,t h e n (a) A=-1/8 (b) B=1/2 (c) A=-1/4 (d) None of this