Question

If a,ß are zeroes of polynomial p(x) = 5x2 + 5x + 1 then find the value of a-1 + ß-1​

Answer 1

Answer:

$5x ^{2} + 5x + 1 \\ \alpha + \beta = - b \div a \\ \alpha + \beta = - 5 \div 5 \\ \alpha + \beta = - 1 \\ \\ \alpha - 1 + \beta - 1 \\ \alpha + \beta - 2 \\ = - 1 - 2 \\ = - 3$