скоротіть дріб:
[tex]1) \frac{ {16p}^{2} - 16pq }{ {12p}^{2}q - {12pq}^{2} } = [/tex]
[tex]2) \frac{ {a}^{2} - 2a + 4}{ {a}^{2} + 8} = [/tex]
[tex]3) \frac{7 + 7a + {7a}^{2} }{ {a}^{2} - 1} [/tex]
[tex] 4)\frac{5m + an - 5n - am}{ {a}^{2} - 10a + 25 } [/tex]
[tex]1) \frac{ {16p}^{2} - 16pq }{ {12p}^{2}q - {12pq}^{2} } = [/tex]
[tex]2) \frac{ {a}^{2} - 2a + 4}{ {a}^{2} + 8} = [/tex]
[tex]3) \frac{7 + 7a + {7a}^{2} }{ {a}^{2} - 1} [/tex]
[tex] 4)\frac{5m + an - 5n - am}{ {a}^{2} - 10a + 25 } [/tex]
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Объяснение:
[tex] \frac{16x^{2} - 16xy }{12x^{2}y - 12xy^{2} } = \frac{16x(x - y)}{12xy(x - y)} = \frac{16x}{12xy} [/tex]
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первое задание ))))))