Whether Or Not (To Do X)

3 related grammar points that express the same core idea - compared below so you can tell which one to reach for.

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～か～まいか JLPT N2
Verb ようか Verbるまいか JLPT N1
Verb ようが Verb るまいが JLPT N1

ようかまいか / ようがまいが

It makes no difference which way it goes.

Verb ようが Verb るまいが vs Verb ようか Verbるまいか: Use ようが〜まいが. The が pairing says the outcome holds either way. The か pairing (ようか〜まいか) is indecision: you are still weighing the two, and no outcome has been asserted yet.