WAEC - Mathematics (2024 - No. 4)
Express in index form: log\(_a^x\) + log\(_a^y\) = 3
x + y = 3
xy = 3
xy = a\(^3\)
x + y = a\(^3\)
Vysvětlení
According to the laws of logarithms: log\(_a^x\) + log\(_a^y\) = 3
= log\(_a^{xy}\) =3 and this in index form
= xy = a\(^3\)