Question

(9a^2)^3(3/1)^8=4 求a^12和a^3的值

Answer 1

(9a^2)^3(3/1)^8=4 (3/1)理解为33^6a^6*3^8=4a^6=4/(3^14)a^3=2/(3^7)a^12=(4/(3^14))^2=16/(3^28)(9a^2)^3(3/1)^8=4 (3/1)理解为1/33^6a^6*(1/3^8)=4a^6=4*(3^2)a^3=2*3=6a^12=(4/(3^2))^2=16*(3^4)=1296...