Question

If alpha ,beta are the zeroes of the polynomial f(x) =4x^2+3x+7,then 1÷alpha+1,÷beta

Answer 1

1÷alpha + 1÷beta = (alpha + beta) ÷ (alpha × beta)
= sum of roots ÷ product of roots
= (-b/a) ÷ (c/a)
= -b/c
= -3/7
hope it helps.