The number of values of the triplet `(a, b, c)` for which a `cos 2x + b sin^2 x + c = 0` is satisfied by all real x, is

The number of values of the triple (a,b,c) for which a coss 2x+bsin^2 x+c =0 is satisfied by all real x, is

The number of integral triplets (a, b, c) such that a+b cos 2x+c sin^(2)x=0 for all x, is

The number of integral triplets (a, b, c) such thet a+b cos 2x+c sin^(2)x=0 for all x, is

The number of points in (-oo, oo) , for which x^(2) - x sin x - cos x = 0 , is a)6 b)4 c)2 d)0

The number of all triplets (a_1,a_2,a_3) such that a_1 + a_2 cos 2x + a_3 sin^2 x = 0 for all x is : (A) 0 (B) 1 (C) 3 (D) Infinite

The number of real values of x for which ((a)/(b))=x-2x^(2)-4, where a,b>0

The number of points in (-oo,oo), for which x^(2)-x sin x-cos x=0, is 6(b)4(c)2(d)0

The number of all the possible triplets (a_(1),a_(2),a_(3)) such that a_(1)+a_(2)cos(2x)+a_(2)sin^(2)(x)=0 for all x is 0 (b) 1(c)3(d) infinite

The number of all the possible triplets (a_1,a_2,a_3) such that a_1+a_2cos(2x)+a_3sin^2(x)=0 for all x is (a) 0 (b) 1 (c) 3 (d) infinite

The number of all the possible triplets (a_1,a_2,a_3) such that a_1+a_2cos(2x)+a_3sin^2(x)=0 for all x is (a) 0 (b) 1 (c) 3 (d) infinite