Answer:
sqrt(ac)
±---------- = b
3c
Step-by-step explanation:
a= 9b^2 c
Divide each side by 9c
a/9c = 9b^2c / 9c
a/9c= b^2
Take the sqrt of each side
±sqrt(a/9c) = sqt(b^2)
Remember that sqrt (xy) = sqrt(x) sqrt(y)
±sqrt(a/c) * 1/ sqrt(9) = b
±sqrt(a) 1
--------- * ------ = b
sqrt(c) 3
Multiply by sqrt(c)/ sqrt(c)
±sqrt(a) sqrt(c)
--------- * ----------- = b
sqrt(c) 3sqrt(c)
±sqrt(ac)
---------- = b
3c
