Solve the system of equations: ab = 1 bc = 2 cd = 3 de = 4 ea = 6
Can you work through these direct proofs, using our interactive
Can you find the maximum value of the curve defined by this
A weekly challenge concerning powers and quadratic equations.
A weekly challenge: these are shorter problems aimed at Post-16 students or enthusiastic younger students.
Our first weekly challenge. We kick off with a challenge concerning inequalities.