Home › CBSE Class 11 › Mathematics › Complex Numbers and Quadratic Equations › The value of i⁴ⁿ⁺³ (n a positive integer) is
The value of i⁴ⁿ⁺³ (n a positive integer) is
A−1
B−i
C1
Di
Answer & Solution
Correct answer: B. −i
i⁴ⁿ = 1, so i⁴ⁿ⁺³ = i³ = −i.
Related questions
The number of distinct $n$th roots of a non-zero complex number is:Using De Moivre's theorem, $(\cos\theta + i in\theta)^4$ equals:The modulus of $z = 5 + 12i$ is:The conjugate of $z = 3 - 4i$ is:If $z = a + ib$ is non-zero, its multiplicative inverse $z^{-1}$ is:The value of $i + i^2 + i^3 + i^4$ is:The product $(2 + 3i)(2 - 3i)$ equals:The modulus $|1 - i|$ equals: