If n is any positive integer write value of i^4n+1-i^4n-1 divides by 2
Answers
Answered by
0
Answer:
i
Step-by-step explanation:
Let Z=
2
i
4n+1
−i
4n−1
=
2
[i
4n−1
.i
2
]−i
4n−1
=
2
i
4n−1
(i
2
−1)
=
2
i
4n−1
(−1−1)
…(i
2
=−1)
=−(i)
4n−1
=−(i)
4n
.i
−1
=
i
−i
4n
=
i
−(i
4
)
n
=
i
−(1)
n
…(i
4
=1)
=
i
−1
Now, multiplying numerator and denominator by i. We get,
=
i
2
−i
=
−1
−i
∴Z=i
Similar questions
Math,
3 months ago
Social Sciences,
3 months ago
Math,
3 months ago
Social Sciences,
7 months ago
Social Sciences,
7 months ago
Chemistry,
10 months ago