Question

(a)ke power 0=1 proved that

Answer 1

$prove \: {a}^{0} = 1 \\ proof \\ l.h.s \: \: {a}^{0} \\ \: \: = {a}^{1 - 1} \\ \: \: = {a}^{1} \times {a}^{ - 1} \\ \: \: = {a}^{1} \times \frac{1}{ {a}^{1} } =1 \: r.hs$