the value of (i+1)(i-1) is
Answers
Answered by
2
Answer:
-2
Step-by-step explanation:
Apply identity (a+b)(a-b) = a² - b²
(i+1)(i-1) => i² - 1² = -1 - 1 = -2
Therefore answer is -2.
More information :-
- i = √-1
- i² = -1
- i³ = -i
- i⁴ = 1
Answered by
0
Answer:
Above answer is correct
Similar questions