Question

How to prove this ?​

Answer 1

Answer:

${a}^{x} {b}^{x} - {a}^{x} - {b}^{x} + 1 \\ {a}^{x} ( {b}^{x} - 1) - 1( {b}^{x} - 1) \\ ( {a}^{x} - 1)( {b}^{x} - 1)$

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