Express in the modulus and amplitude form.(1+i)2n+1(1−i)2n−1, where n belongs to natural number.
Open in App
Solution
(1+i)2n+1(1−i)2n−1 Multiplying both numerator and denominater by (1+1)2n−1 (1+i)2n+1(1−i)2n−1(1−i)2n−1(1+i)2n−1(1+i)2n+1{(1−i)(1i)}2n−1{(1+i)2}2n(2)2n−1{1+i2+2i}2n(2)2n−1[∵i2=−1soi2+1=0](2i)2n(2)2n−122n(i2)n22n−1⇒2×(−1)n→2×(−2)n