[" The set of values of "a" for which "x^(2)+ax+sin^(-1)(x^(2)-4x+5)+cos^(-1)(x^(2)-4x+5)=0" has at least one "],[" solution is: "]

The set of values of a for which x^(2)+ax+sin^(-1)(x^(2)-4x+5)+cos^(-1)(x^(2)-4x+5)=0 has at least one real root is given by

The set of values of a for which x^2+ax+sin^(-1)(x^2-4x+5)+cos^(-1)(x^2-4x+5)=0 has at least one real root is given by

The value of a for which ax^(2)+sin^(-1)(x^(2)-2x+2)+cos^(-1)(x^(2)-2x+2)=0 has a real solution is

The values of 'a' for which x^2+ax+sin^-1(x^2-4x+5)+cos^-1(x^2-4x+5) =0, has at least one solution, is

The value of 'a' for which ax^2 + sin^-1 (x^2 - 2x + 2) + cos^-1 (x^2 - 2x + 2) = 0 has a real solution is

The set of values of alpha for which the equation "sin"^(4) x + "cos"^(4) x + "sin" 2x + alpha =0 possesses a solution, is

the least value of 'a' for which the equation 2sqrt(a) sin^(2) x+sqrt(a-3) sin 2x=5+sqrt(a) has at least one solution is _______.

the least value of 'a' for which the equation 2sqrt(a) sin^(2) x+sqrt(a-3) sin 2x=5+sqrt(a) has at least one solution is _______.

The exhaustive set of values of a such that, x^2+a x+sin^(-1)(x^2-4x+5)+cos^(-1)(x^2-4x+5)=0 (A) {-2-pi/4} (B) {-oo,-2-pi/4} (C) {-oo,-2-pi/4} (D) none of these

The exhaustive set of values of a such that, x^2+a x+sin^(-1)(x^2-4x+5)+cos^(-1)(x^2-4x+5)=0 (A) {-2-pi/4} (B) {-oo,-2-pi/4} (C) {-oo,-2-pi/4} (D) none of these