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Q 3: Îą and Îą are zeroes of polynomial 4x2-2x + k + 7. Find the value of k.

Answer»

Since, a and 1/a are the zeroes of the polynomial given, therefore a* 1/a = (k+7)/4. [ Product of zeroes= c/a]Therefore, (k+7)/4=1Ie,. k+7=4So,. k= -3

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