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## Answers

x--->0

=> lim {a^x - 1 -(b^x - 1)}/x

x---->0

=> {lim (a^x-1)/x} - {lim (b^x-1)/x}

x--->0 x--->0

=>lna - lnb

=> ln(a/b)

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x--->0

=> lim {a^x - 1 -(b^x - 1)}/x

x---->0

=> {lim (a^x-1)/x} - {lim (b^x-1)/x}

x--->0 x--->0

=>lna - lnb

=> ln(a/b)