if a and b are the zeroes of x^2+5x+6 find the value of a^-1+B^-1
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a and b are zeroes of p(X)
p(X)=x²+5x+6
A=1
B=5
C=6
sum of zeroes=-B/A
a+b =-5/1 = -5
product of zeroes=C/A
ab=6/1 =6
a^-1 + b^-1
1/a+1/b
b+a/ab
-5/6
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