The equation `cos^4x-(lambda+2)cos^2x-(lambda+3)=0` have a real solution if

Determine all possible values of 'a' for which the equation cos^4 x - (a +2) cos^2 x-(a+3) = 0 will have real solution

Find the range of lambda so that the equation sin^(6)x+cos^(6)x=lambda-1 has a real solution.

Find the range of lambda so that the equation sin^(6)x+cos^(6)x=lambda-1 has a real solution.

If the equation cos^(4)theta+sin^(4) theta+lambda=0 has real solutions for theta , then lambda lies in the interval :

If the equation 2 cos x + cos 2 lambda x=3 has only one solution , then lambda is

If the equation 2 cos x + cos 2 lambda x=3 has only one solution , then lambda is

If the equation 2 cos x + cos 2 lambda x=3 has only one solution , then lambda is

If the equation 2 cos x + cos 2 lambda x=3 has only one solution , then lambda is

If the equation 2 cos x + cos 2 lambda x=3 has only one solution , then lambda is

The value of lambda in order that the equations 2x^(2)+5 lambda x+2=0 and 4x^(2)+8 lambda x+3=0 have a common root is given by