Answer:
4th option
Step-by-step explanation:
The given expression is:

In order to simplify this expression we have to multiply and divide it with the conjugate of the denominator i.e multiply and divide the entire expression with
, as shown below:

Thus, 4th option gives the correct answer.
Answer:
2) 6
Step-by-step explanation:
CE^2 = BC * AC
CE^2 = 3 * 12
CE^2 = 36
CE = 6
1. c
2. b
3. a
hope this helps
Answer:frfr it made hard
Step-by-step explanation: