Question

Evaluate[i18+(1/i)25]3​

Answer 1

Answer:

Given,

[i

18

+(

i

1

)

25

]

3

=(i

18

+

i

25

1

)

3

=(−1+

i

1

)

3

=(−1)

3

+3(−1)

2

i

1

+3(−1)(

i

1

)

2

+(

i

1

)

3

=

i

2

+2

=−2i+2