Many students said this year's Level 2 NCEA Maths papers were far more difficult than previous years. Photo / 123RF Puzzled by polynomials? Confused by calculus? Then this test could make you ...

The maths question was sent to the Herald by a teacher concerned about its inappropriateness. The question was included in the level 2 exam, sat by students on Tuesday - the first day of NCEA exams.