if alpha beta gamma are the zeroes of polynomial x3+2x2-8x+2 find the value of alpha -1+beta-1+gamma-1
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Step-by-step explanation:
alpha + beta + gama = -2
alpha*beta + beta*gama + gama*alpha = -8
alpha * beta * gama = -2
1/alpha + 1/beta + 1/gama
(alpha*beta+beta*gama+gama*alpha)/al*bet*ga
-8 / -2 = 4
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