CAIE IGCSE Mathematics Extended E2.4.1 Understand and Use Indices Positive Zero Negative and Fractional Questions

Practise Extended CAIE IGCSE Mathematics by applying index laws to fractional powers, radicals and equations involving an unknown base.

Exam points

Apply positive, zero, negative and fractional index laws to simplify powers and radicals or solve an equation for the unknown base.

[Maximum number: 2]

Simplify $\left(\frac{x^{2}}{4}\right)^{\frac{3}{2}}$ .

[ $\pm$ ] $\frac{x^3}{8}$ final answer
B1 for $\frac{x^3}{k}$ or $\frac{x^k}{8}$

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