If `[x^2-2x + a] = 0 `has no solution then

x- 4 =-2 has a solutions

If x^2+kx+k=0 has no solution, then the value of k will satisfy:

Let g(x)=x^(2)-2x-2 and f(x)=x^(2)+x+alpha . If f(g(x))=0 has no real solution then the set of values of alpha 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

2x - ky +7=0 and 6x - 12 y +15 =0 has no solution for

Show that the system 2 x + 3y - 1 = 0 , 4x + 6y - 4 = 0 has no solution.

if cos^4x+sin^2x-p=0 has real solutions then

If f(x)=2^x-x^2 and f(x)=0 has m solutions f'(x)=0 has n solutions then m+n=

If equation x^2+2x+2 + e^alpha - 2 sin beta = 0 has a real solution in x, then (where n in ZZ )