evaluate alpha^-1 + beta^-1 if alpha and beta are the zeros of polynomial f(x)=9x^2-3x-2

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Step-by-step explanation:f(x) = 9x²-3x-2

acc to ques , alpha and beta is the zeros of polynomial f(x)

so, alpha + beta = -(-3)/9 = 1/3 and apla × beta = (-2)/9

we have to find

1/(apha)+1/(beta)=[(apha)+(beta)]/(apha)×(beta)=1/3÷(-2)/9=-3/2istheanswer..