Given that x=2px = 2^px=2p and y=2qy = 2^qy=2q, express in terms of x x\,x and/or yyy,
2p+q2^{p+q}2p+q
22p2^{2p}22p
2q−12^{q-1}2q−1
128 exam-style questions on Edexcel GCSE Maths Fractional and Negative Indices. Each one has a worked solution and a mark scheme showing where the marks go.