plzz..do it tomorrow is my exam
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i^2016 = 1
i^2017 = i^2016 × i = 1 × i = i
i^2018 = i^2016 × i^2 = 1 × -1= -1
i^2019 = i^2018 × i = -1 × i = -i
adding them, 1 + i + (-1) + (-i) = 0
answer is 0
i^2017 = i^2016 × i = 1 × i = i
i^2018 = i^2016 × i^2 = 1 × -1= -1
i^2019 = i^2018 × i = -1 × i = -i
adding them, 1 + i + (-1) + (-i) = 0
answer is 0
Pritesh1062:
how(-1) came in the solution
i^2018 = -1
yeah.. i^(504)^4 × i^2 and after that i^4 equal to 1 nd i^2 equal to -1
yes
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