The answer is B.
Explanation:
If you divide exponents, you subtract the exponents.
Step-by-step explanation:
(a+bi)2
=a2 +2abi +b2i2
=a2 +2abi + b2. (-1)
=a2 -b2 +2abi
Answer = (a+b(a-b) +2abi
Answer:
75
Step-by-step explanation:
(5 /15) x (15 squared = 75