Question

1.
If 9^x × 3^2×(3^-x/2)^-2=1/27, find x
​

Answer 1

Answer:

x=-5/3

Step-by-step explanation:

= 9^x × 3^2×(3^-x/2)^-2=1/27

= 3^2x×3^2×3^x=3^-3

= 3^(2x+2+x)=3^-3

= 3^(3x+2)=3^-3

= 3^3x=3^-3-2

= 3x=-5

= x=-5/3