How do you solve \log _ { 3} ( \frac { 1} { 9} ) = x?
2 Answers
Dec 8, 2017
here
Explanation:
Dec 8, 2017
Explanation:
"using the "color(blue)"law of logarithms"
•color(white)(x)log_bx=nhArrx=b^n
log_3(1/9)=x
rArr1/9=3^x
"note that "1/9=3^-2=3^x
rArrx=-2