Lne equals 1 because they cancel each other out. e is the base of ln.
For example: log has a base of 10, log10 = 1
Answer:
x=-6 is an extraneous solution
Step-by-step explanation:
we have

squared both sides



solve the quadratic equation by graphing
The solution is x=-6 and x=-1
see the attached figure
<u><em>Verify each solution</em></u>
substitute the value of x in the original expression
For x=-6


----> is not true
so
Is an extraneous solution
For x=-1


----> is true
so
Is the solution
Answer:
x greater than or equal to 12cm^2
Step-by-step explanation:
Answer:
2x(5+13)
Step-by-step explanation:
add then multiply by 2
Answer:
48
Step-by-step explanation:
To find one fourth, I divided 64 by 4, which gave me 16. Then, to find 3/4, I multiplied 16*3, which is 48.