Question

Divide the complex number of 8+i over 2-i

Answer 1

I need help

Answer 2

\[\frac{ 8+i }{2-i },rationalise \it\]

Answer 3

Is it 16i+3i-i2

Answer 4

let me check

Answer 5

\[\frac{ 8+i }{2-i }*\frac{ 2+i }{ 2+i }=\frac{ 16+8i+2i+i ^{2} }{2^{2}-i ^{2}}=\frac{ 16+10i-1 }{ 4+1 }=\frac{ 15+10i }{ 5 }=3+2i\]

Answer 6

if there is any problem ask me.

Answer 7

Where the 8i come from

Answer 8

multiply 2+i by 8

Answer 9

So the answe is 16 over what?

Answer 10

answer is 3+2i

Answer 11

i am leaving now .it is already 11.14PM

Answer 12

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