If a and B are the zeros of the polynomial x2 - 5x + 7, find the value of a^-1+b^-1
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Step-by-step explanation:
a + b = -(-5)/1 = 5
ab = 7/1 = 7
a^-1 + b^-1
1/a + 1/b
(a + b)/ab
5/7
I hope it will help you
Answered by
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Answer:
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