已知﹙9a²﹚³·﹙⅓﹚ˆ8＝4,求aˆ6的值

已知﹙9a²﹚³·﹙⅓﹚ˆ8＝4,求aˆ6的值

答：
﹙9a²﹚³·﹙⅓﹚ˆ8＝4
﹙3²a²﹚³·﹙⅓﹚ˆ8＝4
(3^6)(a^6)/(3^8)＝4
a^6/(3^2)=4
a^6=4*9=36
所以：a^6=36