Let `a/b\ :-b/a=x : ydot\ ` If `(x-y)={a/b+b/a}\ t h e n\ x` is equal to `(a-b)/a` b. `(a+b)/a` c. `(a+b)/b` d. none of these

Let (a)/(b)backslash:-(b)/(a)=x:y backslash If (x-y)={(a)/(b)+(b)/(a)}(:thenbackslash x is equal to (a-b)/(a) b.(a+b)/(a) c.(a+b)/(b) d.none of these

If af(x+1)+bf(1/(x+1))=x ,x!=-1,a!=b ,t h e nf(2) is equal to (a) (2a+b)/(2(a^2-b^2)) (b) a/(a^2-b^2) (c) (a+2b)/(a^2-b^2) (d) none of these

If af(x+1)+bf(1/(x+1))=x ,x!=-1,a!=b ,t h e nf(2) is equal to (a) (2a)/(2(a^2-b^2)) (b) a/(a^2-b^2) (c) (a+2b)/(a^2-b^2) (d) none of these

If af(x+1)+bf(1/(x+1))=x ,x!=-1,a!=b ,t h e nf(2) is equal to (a) (2a)/(2(a^2-b^2)) (b) a/(a^2-b^2) (c) (a+2b)/(a^2-b^2) (d) none of these

(lim)_(x->oo)a^xsin(b/(a^x)),\ a , b >1 is equal to a. b b . a c. a(log)_e b d. b(log)_e a

If A and B are two non-singular matrices such that A B=C ,t h e n,|B| is equal to a. (|C|)/(|A|) b. (|A|)/(|C|) c. |C| d. none of these

If A and B are two non-singular matrices such that A B=C ,t h e n,|B| is equal to a. (|C|)/(|A|) b. (|A|)/(|C|) c. |C| d. none of these

If (x^2+p x+1) is a factor of (a x^3+b x+c),t h e n a. a^2+c^2=-a b b. a^2-c^2=-a b c. a^2-c^2=a b d. none of these

If A and B are two sets that n(A-B)=14+x in n(A)=n(B) and n(B-A)=3x and also n(A nn B) =x .Then x is equal to a."8," b."7," c."9," d.None of these

If (x^2+p x+1) is a factor of (a x^3+b x+c),t h e n a^2+c^2=-a b b. a^2-c^2=-a b c. a^2-c^2=a b d. none of these