Home
Class 12
MATHS
If the equation x^(2) + kx+ 1 = 0 " has...

If the equation `x^(2) + kx+ 1 = 0 " has the roots "alpha and beta` , then what is the value of `(alpha + beta) xx ( alpha^(-1) +beta ^(-1))`

Promotional Banner

Similar Questions

Explore conceptually related problems

If one root of the equation x^2 - ax + b = 0 be alpha and beta , then the value of (1)/(alpha) + (1)/(beta) is

Consider the equation x^2-5x+2=0 with roots alpha, beta , then the value of alpha+beta+alpha^(-1)+beta^(-1)=?

If alpha,beta are the roots of the equation x^(2)-2x-1=0 , then what is the value of alpha^(2)beta^(-2)+alpha^(-2)beta^(2) ?

If alpha, beta be the roots of the equation x^(2)+x+1=0 , the value of alpha^(4)beta^(4)-alpha^(-1)beta^(-1) is

If alpha,beta " are the roots of the equation "x^(2) - 2x - 1 =0, "then what is the value of " alpha^(2)beta^(-2)+alpha^(-2)beta^(2)

If alpha, beta are roots of the equation x^(2) + x + 1 = 0 , then the equation whose roots are (alpha)/(beta) and (beta)/(alpha) , is