The equation `2cos^2(x/2)sin^2x=x^2+x^-2, 0ltxlepi/2` has (A) no real solution (B) one real solution (C) two real solutions (D) more than two rea solutions

The equation sin x=x^2+x+1 has (A) one real solution (B) n real solution (C) more thanone real solution (D) two positive solutons

The equation (x+3-4(x-1)^(1//2))^(1//2)+(x+8-6(x-1)^(1//2))^(1//2)=1 has (A) no solution (B) only 1 solution (C) only 2 solutions (D) more than 2 solutions

The equation (log)_(x+1)(x- .5)=(log)_(x-0. 5)(x+1) has (A) two real solutions (B) no prime solution (C) one integral solution (D) no irrational solution

The equation 3^(-1)x-pix-pi/2=0 has one negative solution one positive solution no solution more than one solution

The equation 2cos^(-1)x+sin^(-1)x=(11pi)/6 has a. no solution b. only one solution c. two solutions d. three solutions

The equation sqrt(x+1)-sqrt(x-1)=sqrt(4x-1) has a. no solution b. one solution c. two solution d. more than two solutions

The equation |((1+x)^2,(1-x)^2,-(2+x^2)),(2x+1,3x,1-5x),(x+1,2x,2-3x)|+|((1+x)^2,2x+1,x+1),((1-x)^2,3x,2x),(1-2x,3x-2,2x-3)|=0 has has (a) no real solution (b) 4 real solutions (c) two real and two non-real solutions (d) infinite number of solutions, real or non-real

If 3(a+2c)=4(b+3d), then the equation a x^3+b x^2+c x+d=0 will have (a) no real solution (b) at least one real root in (-1,0) (c) at least one real root in (0,1) (d) none of these

The quadratic equation 2x^(2)-sqrt5x+1=0 has (a) two distinct real roots (b) two equal real roots (c) no real roots (d) more than 2 real roots

The equation ((log)_8(8/(x^2)))/(((log)_8x^2))=3 has- a. \ no integral solution b. one natural c. \ two real solution d. one irrational solution