Answer:
It is proved that
.
Step-by-step explanation:
We already have the identity of x as
.......... (1) .
So, from equation (1) we can write that

⇒ 
⇒ 
⇒
Hence, it is proved that
. (Answer)
Domain: (-∞,∞) or All real numbers
Range: (-∞,∞) or All real numbers
20 is the answer your welcome you will get it right don’t worry
Answer:
-16
Step-by-step explanation:
5^2+7/5-7
32/-2
-16
Answer:
k=4.5
Step-by-step explanation:
40.5/9