Question

If alpha and beta are the root of the equation 2x²-x-1=0. find the value of. i)alpha²+beta². ii)alpha/betq+beta/alpha. iii)alpha-beta iv)alpha²/beta+beta²/alpha, v)alpha+1/beata,1/alpha/beta vi)alpha⁴+beata⁴ vii)alpha³/beta +beta³+alpha

Answer 1

Answer:

Step-by-step explanation: