Question #82e26
3 Answers
Explanation:
"A" is rather similar to "4" so I suppose there is a typo in between.
Putting
Solving for
Here we go and obtain
Explanation:
Solve:
We see from inspection that LHS of both equations (1) and (2) are equal. Therefore, RHS of both the equations must be equal.
Writing this in exponential form by definition of
or
Inserting the value of
LHS can be written using the rule for, addition of
or
Equating with RHS
Taking
or
Using the split the middle term method
or
or
We get two roots by putting each factor
#x+4=0#
or#x=-4# #2x-1=0#
or#x=1/2#
Since
A=4 and
Explanation:
The derivations for x = -4 and 1/2 are as in other two answers.
log of negative argument is unreal.
The RHS