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If sum and product of zeroes …

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If sum and product of zeroes given 1/4,-1 respectively find its quadratic polynomial how do we find

    • Posted by Sakshi Negi 6 years, 11 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Abc . 6 years, 11 months ago

    Sorry the first two lines be like that ?let the two zeroes be in the form of alpha and beeta.

    0Thank You

    Shivam Tripathi 6 years, 11 months ago

    Use formula x^2 - (a+b)x + (a×b) =0___ X^2 - (1/4)x + (-1)=0 ____ take 1/ 4 comon____ 1/4(4x^2 - x - 4 )=0 ____ 4x^2 - x - 4=0

    0Thank You

    Abc . 6 years, 11 months ago

    Let the sum of zeroes be alpha and product of zeroes be beeta.... Then A/Q, alpha+beeta=1/4 and alphaXbeeta=-1... Now put sum and product in these ? x²-(alpha+beeta)x+alpha.beeta......we get,x²-1/4x+(-1)..i,e. the required polynomial is x²-1/4x-1.

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