Answer:

Step-by-step explanation:
Given




Required
Evaluate 
Expand

Further expand

Apply product rule of logarithm

Substitute values for log(7) and log(3)


Step-by-step explanation:
well it represents
-1 < X ≥ 3
so answer is 0 1 2 3
Answer:
7
Step-by-step explanation:
24^2+b^2=25^2
576+b^2=625
<u>-576</u> <u>-576</u>
b^2=49
√b=√49
b=7