2019 NJC P1 Q2
Without using a calculator
(i)
Solve the inequality $\frac{2{{x}^{2}}+5x+9}{x-7}\le x-4$.
[4]
(ii)
Hence, solve the inequality $\frac{2+5{{e}^{x}}+9{{e}^{2x}}}{7{{e}^{x}}-1}\ge 4{{e}^{x}}-1$.
[2]
Suggested Handwritten and Video Solutions
