Вправи: 10.23-10.24

10.23 Виконайте дії:

1) (25x28y3)³ • (–16y5125x3)² = (52)3• x6 • (24)2 • y10(23)3• y9 • (53)2 • x6 = 56 • 28 • y29 • 56 = y2;

2) x2-2xy+ y2x2+2xy+ y2 • (x+ yx- y)³ = (x- y)2(x+ y)3(x+ y)2(x- y)3 = x+ yx- y.

10.24 Виконайте дії:

1) (–16m327n5)² • (9n48m2)³ = (24)2 • m6• (32)3• n12(33)2 • n10 • (23)3 • m6 = 28 • 36• n236 • 29 = n22;

2)(m- nm+ n)³ • m2+ 2mn + n2m2-2mn + n2 = (m- n)3(m+ n)2(m+ n)3(m-n)2 = m- nm+ n.