3^(4x)=1/81. please find the value of x.
Answers
Answered by
5
3^(4x) = (1/81)=(81)^(-1) = (3⁴)^(-1) = 3^(-4)
so 4x = -4
x= -1
so 4x = -4
x= -1
Attachments:
Diptanshu111:
i have another question. will you help me?
sure why not
9^x × 3²×(3^-x/2)^-2=1/27
I just edited and attached an image with my previous answer that is the solution of your current question
see it
from where ti see that
to
i found that
thanx
ok.... that's good... :-)
Answered by
3
Here's your answer------------
(given)
3^(4x)=1/81
>> write in exponential form
3^(4x)=3^-4
>> the exponents are equal
4x=-4
>> divide both sides by 4
X=-1
【hope this will help ya】
(given)
3^(4x)=1/81
>> write in exponential form
3^(4x)=3^-4
>> the exponents are equal
4x=-4
>> divide both sides by 4
X=-1
【hope this will help ya】
Similar questions