***2. If af are the roots of the equation x - 2x + 4 =0 then for any positive integer n show that a" +ß" = 2*cos (Mar-11, 14)(May-16 T.S) 3

The roots of the equation 2x^(2)+14x+9=0 are

The sum of the roots of the equation 3x^(2) - 7x + 11 = 0

Find the root of equation 2x^2+3 x + 11=0.

If alpha, beta are the roots of the equation x^(2) - 2x + 4 = 0 then for any n in N show that alpha^(n) + beta^(n) = 2^(n+1) cos ((n pi)/3) .

If alpha, beta are the roots of the equation x^(2) - 2x + 4 = 0 then for any n in N show that alpha^(n) + beta^(n) = 2^(n+1) cos ((n pi)/3) .

If alpha, beta are the roots of the equation x^2-4x+8 = 0 then for any n in N, (alpha)^(2n)+(beta)^(2n) =

If roots of the equation x^(4)-8x^(3)+bx^(2)+cx+16=0 are positive, then

If roots of the equation x^(4)-8x^(3)+bx^(2)+cx+16=0 are positive, then