If tangents drawn to circle \( |z|=2 \) at \( A\left(z_{1}\right) \) and \( B\left(z_{2}\right) ...

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If tangents drawn to circle \( |z|=2 \) at \( A\left(z_{1}\right) \) and \( B\left(z_{2}\right) \) meet at \( P\left(z_{p}\right) \). if \( z_{p}=\frac{k z_{1} z_{2}}{z_{1}+z_{2}} \). then \( k^{k}+1 \)
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