Question

evaluate it by usinv identity 1
a. (8.1)^2​

Answer 1

Answer:

see the attachment. ........

Step-by-step explanation:

hope it is helpful

Answer 2

+8+*+*+)O5ei9912=0-9149091564939+8+*+*+)O5ei9912=0-9149091564939+8+*+*+)O5ei9912=0-9149091564939+8+*+*+)O5ei9912=0-9149091564939+8+*+*+)O5ei9912=0-9149091564939+8+*+*+)O5ei9912=0-9149091564939+8+*+*+)O5ei9912=0-9149091564939+8+*+*+)O5ei9912=0-9149091564939+8+*+*+)O5ei9912=0-9149091564939w24h1240737