Вправи: 772

772. Спростіть вираз:

1) p4c8a12 = (p2)2(c4)2(a6)2 = |p²| • |c⁴| • |a⁶| = p²c⁴a⁶;

2) 49(-x)2y6 = 49x4(y3)2 = 7 • |x| • |y³| = 7 • (–x) • y³ = –7xy³;

3) m20n24 = (m10)2(n12)2 = |m10||n12| = m10n12;

4) a10b14 = (a5)2(b7)2 = |a5||b7| = -a5-b7= a5b7.