Question

The sum of i – 2 – 3i + 4 .... upto 100 terms, where i = 1 [ ]

a) 50 (1 – i) b) 25 i c) 25 (1 + i) d) 100 (1 – i)​

Answer 1

Answer:

a) 50(1-i)

Step-by-step explanation:

Steps:

S = [i-2-3i+4]+[5i-6-7i+8].. [25]sets

=[-2i+2]+[-2i+2]+.....

=25(-2i+2)

=50-50i

=50(1-i)

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