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If `x^(2) - 3x + 2` is factor of `x^(4) - px^(2) + q` then `2q - p` is equal to |
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Answer» Correct Answer - `3` `x^(2) - 3x + 2 = 0` `(x - 2)(x - 1) = 0 rArr x = 1 , 2` so `1 - p + q = 0 rArr p = +5` `16 - 4p + q = 0` `2q - p = 8 -5 = 3` |
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