Question

If [z-1/z]=6 find the value of z^2+1/z^2 and z^4+1/z^4

Answer 1

Answer:

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Answer 2

Answer:

We have |z + 11 = z + 2(1+ i)

Putting z = x + iy, we get

Then, |x + iy + 11 = x + iy + 2(1 + i)

⇒|x + iy + l|=x + iy + 2(1 +i)