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If one zero of quadratic polynomial …

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If one zero of quadratic polynomial x square minus x minus into 2 plus 2k is 4 find the value of k

Posted by Abhishek Kumar 6 years, 10 months ago

Rita Gokani 6 years, 10 months ago

X^2-x-(2+2k)=0 (4)^2 - 4-(2+2k)=0 16-4-2-2k=0 10-2k=0 -2k=-10 K=5

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