**Problem:**

Let , , be complex numbers such that

and . Prove that

**Proof:**

Observe that

Then,

This equals

as desired.

**QED.**

More later,

Nalin Pithwa

**Problem:**

Let , , be complex numbers such that

and . Prove that

**Proof:**

Observe that

Then,

This equals

as desired.

**QED.**

More later,

Nalin Pithwa

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