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If alpha and beta are two zeroes of polynomial x×x +2x -15 find the quadratic polynomial whose zeroes are 1/alpha and 1/beta

Posted by Harman Grewal 6 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

????? ***** 6 years, 3 months ago

Alpha + beta=-2and alpha ×beta=-15 So for a quadratic polynomial Formula=xsquare -(1/alpha+1/beta)x+1/alphabeta On solving it and putting value of alpha beta and alpha +beta we get ANSWER Xsquare-2x/15-1/15

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