Разложить на множители![tex]1) \frac{1}{9} x^{2} z^{2}- a^{2}
2) y^{2}-16
3)100-9 b^{2}
4) c^{2} d^{2} -81 x^{2}
5) \frac{4}{25} a^{2}-9 b^{2} c^{2} [/tex]
2) y^{2}-16
3)100-9 b^{2}
4) c^{2} d^{2} -81 x^{2}
5) \frac{4}{25} a^{2}-9 b^{2} c^{2} [/tex]
More Questions From This User See All
Answers & Comments
2)y²-163=(y+√163)(y-√163)
3)100-9b²=10²-(3b)²=(10+3b)(10-3b)
4)c²d²-81x²=(cd)²-(9x)²=(cd+9x)(cd-9x)
5)4a²/25-9b²c²=(2a/5)²-(3bc)²=(0,4a)²-(3bc)²=(0,4a+3bc)(0,4a-3bc)
(? 2)y²-169=y²-13²=(y+13)(y-13))