Solve for x : (0.2)²ˣ⁻¹ = 1
Answers
Answered by
1
Answer:
1/2
Step-by-step explanation:
put the value then you find (0.2)0
that means the answer is 1/2 for power is
being zero
Answered by
0
Applying logarithm on both the sides,
log[0.2^(2x-1)]=log1
log(a^b)=bloga and log1=0
(2x-1)log0.2=0
log0.2 is not equal to 0
2x-1=0
x=0.5
Alternatively,
a^0=1
2x-1=0
x=0.5
:-)
Similar questions