The number of solutions of the equation `x^2+2x^2+6x+2cosx=0in[0,2pi]` is one (b) two (c) three (d) zero

The number of solutions of the equation x^(2)+2x^(2)+6x+2cos x=0 in [0,2 pi] is one (b) two (c) three (d) zero

The number of solutions of the equation x^(3)+2x^(2)+5x+2cosx=0 in [0,2pi] is

The number of solutions of the equation x^3+2x^2+6x+2cosx=0 where x in[0,2pi] is (a) one (b) two (c) three (d) zero

Find the number of solutions of the equation x^3+2x^2+5x+2cosx=0 in [0,2pi]

Number of solutions of the equation tanx+secx=2cosx, x in [0, pi] is

The number of real solutions of the equation (sinx-x)(cosx-x^2)=0 is

The number of real solutions of the equation (sinx-x)(cosx-x^2)=0 is

The number of solutions of the equation |cosx-sinx|=2cosx in [0,2pi] is (A) 1 (B) 2 (C) 3 (D) 4

The number of solutions of the equation |cosx-sinx|=2cosx in [0,2pi] is (A) 1 (B) 2 (C) 3 (D) 4

The number of real solutions of the equation (sinx-x)(cosx-x^(2))=0 is