Given that x=2px = 2^px=2p and y=2qy = 2^qy=2q, express in terms of xxx, y y\,y and/or kkk,
2p+q2^{p+q}2p+q
22p2^{2p}22p
2q−k2^{q-k}2q−k
352 exam-style questions on Eduqas GCSE Maths Fractional and Negative Indices. Each one has a worked solution and a mark scheme showing where the marks go.