1 + i2 + i4 + i6 + ...... + i2n is
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1
Step-by-step explanation:
1+2i(1+2+3+........+n)
1+2i(n(n+1)/2)
1+i( n(n+1) ) is Ur answer
Answered by
3
Answer:
15 is your answer of this question
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