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if alpha and beta are the zeros of the polynomial x2-3x+5 then find the value of 1/alpha+1/beta

Posted by Himani Nikose 4 years, 7 months ago

CBSE > Class 10 > Mathematics

2 answers

Aniket Agrawal 4 years, 7 months ago

α+β=3 αβ=5 1/α + 1/β = (β+α)/αβ = 3/5

Aniket Agrawal 4 years, 7 months ago

α+β= 3 αβ= 5 1 1 β+α 3 -- + -- = ------ = ---- . Ans α β αβ 5

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