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Obtain all zeroes of the following …

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Obtain all zeroes of the following polynomial when two of its zeroes are given p(x) = 2x^4 + x^3 - 19x -6 , having its zeroes as -2 and -1

Posted by Bharti Kumari 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Nidhi Jain 5 years, 2 months ago

Firstly make quadratic equation of -2 and -1 Like this x²-sx+p, where s=sum of zeroes and p=product of zeroes. Quadratic equation=x²+3x-2 Then divide x²+3x-2 with p(x)=2x⁴+x³-19x-6 The quotient you get after division, do the middle splitting of that equation you will get the 2 values of x which are the remaining zeroes.

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CBSE > Class 10 > Mathematics