Question

11. What is the sum of the inverse of the zeroes of Px) = 2x*2+x-1?
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Answer 1

Step-by-step explanation:

2x^2+2x-x-1=0

2x(x+1)-1(x+1)=0

(2x-1)(x+1)=0

x=1/2. x=-1

inverse of zeros are 2 and -1

sum =2-1=1