Question

prove that a^0=1 without assuming thAt a=1​

Answer 1

Hope it will help u....

Answer 2

$\: \: \: \: \: {a}^{0} \\ = {a}^{(1 - 1)} \\ = {a}^{1} \times {a}^{( - 1)} \: \: \: \: \: \: \: \: | \: \: \: because \: {a}^{ - 1} = \frac{1}{ {a}^{1} } \\ = \frac{a}{a} \\ = 1$