Question

If alpha and beta are roots of equation 5x^2 -3x+7 =0 then find alpha + beta -alpha beta. ​

Answer 1

Step-by-step explanation:

5x²-3x+7=0

alpha+beta= -b/a

=3/5

alpha (beta) = c/a

=7/5

alpha+ beta - alpha(beta)= 3/5 - 7/5 = -4/5