# MTAP Challenge

Algebra Level 4

$\large 90^a = 2, 90^b = 5, 45^{ \frac {1-a-b}{2-2a} } = \ ?$

This is a question in MTAP Challenge.

Details and Assumptions

It is $$45$$ raised to the power of $$\frac {1-a-b}{2-2a}$$

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