You may also like

problem icon

Fixing It

A and B are two fixed points on a circle and RS is a variable diamater. What is the locus of the intersection P of AR and BS?

problem icon

OK! Now Prove It

Make a conjecture about the sum of the squares of the odd positive integers. Can you prove it?

problem icon

Summats Clear

Find the sum, f(n), of the first n terms of the sequence: 0, 1, 1, 2, 2, 3, 3........p, p, p +1, p + 1,..... Prove that f(a + b) - f(a - b) = ab.