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26 . (a) \frac{m^{2} - 14 m - 32}{m + 2} = \frac{m^{2} - 16 m + 2 m - 32}{m + 2} = \frac{m (m - 16) + 2 (m - 16)}{m + 2} = \frac{(m + 2) (m - 16)}{m + 2} = m - 16 ANS . . . (b) a^{4} - 2 a^{2} b^{2} + b^{4} = {(a^{2})}^{2} - 2 (a^{2}) (b^{2}) + {(b^{2})}^{2} = {(a^{2} - b^{2})}^{2} ({(x - y)}^{2} = x^{2} - 2 xy + y^{2}) = (a^{2} - b^{2}) (a^{2} - b^{2}) = (a - b) (a + b) (a - b) (a + b) ANS . . .

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