Originally posted by ilywrinI did it on my calculator, a casio fx-115ms, and without
I guess you mean positive "even" exponent?
Originally posted by phgaohere is another question: can X^2+X-1 be factorized?
Let a and b be the roots of the quadratic equation x^2 + x - 1 = 0.
Find the value of a^6 + b^6.
Originally posted by ilywrinwell, learn something new every day. so if root 1 is called R1 and
Well IIRC any polynomial may be written as:
a(x - z1) (x-z2)...(x- zn), where a is the coefficient before the highest power of x, and z1,..,zn are all the roots.