Tolong dong d bantu ...................

Tolong dong d bantu ……………….

Jawaban Terkonfirmasi

Jawab

(1)
n(AUB) = n(A ) + n(B) – n(A n B)

(2)
$( a^{ frac{1}{2}} a^{1} b^{-3} b^{ frac{3}{2}})^{ frac{2}{3} ,=, (a^{ frac{3}{2} }. b^{ -frac{3}{2}})^{ frac{2}{3}},= ,a.b^{-1},=, frac{a}{b}$

$left[begin{array}{ccc}x\yend{array}right] ,=, left[begin{array}{ccc}3&-2\1&1end{array}right] left[begin{array}{ccc}2&3\5&-2end{array}right] ,= left[begin{array}{ccc}-4&13\7&1end{array}right]$