2020 HYSS AM S4 P1 Q4

2020 HYSS AM S4 P1 Q4

5 marks

Solve the following equations

\(-2={{\log }_{7}}x-3{{\log }_{x}}7\)[3]
\(\frac{{{2}^{2x}}}{21}=\frac{{{5}^{x}}}{6}\)[2]

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Answer:(a) \(x = \frac{1}{343}\) \text{ or } \(x = 7\) (b) \(x = -5.61\)

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