I don’t know how to do it,, but use photomath, it’s perfect for these type of questions
The answer should be b. 12
Sorry but cant answer without a grid or something
(1+i)(2+i)
2+1i+2i-1
your answer: [1 + 3i]
hope this helps
Answer:
No
Step-by-step explanation:
The given number is 1.15. Here, the digits after the decimal are terminating, so the given number is rational, NOT irrational. Thus, 1.15 is NOT an irrational number.
