if alpha ,beta are the zeroes of the polynomial x^2-3x+2 ,then find 1/alpha+1/beta
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x²-3x+2
sum= -3
product = 2
x² - 2x -1x + 2
x(x-2) - 1(x-2)
(x-1)(x-2)
from (x-1)
x-1 = 0
x=1
from (x-2)
x-2=0
x=2
a=1 , b=-3 , c=2
alpha = 1
beta=2
1/1 + 1/2 = 3/2
hence your answer is 3/2
hope this helps u :)