Quelpr
2 marksBinary Operations

CSEC Mathematics · May/June 2011 · Paper 2 · Question 2(b)

Binary operation * defined as a * b = (a + b)² - 2ab.

Calculate the value of 3 * 4.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 2(a)Write as a single fraction in its lowest terms (x-2)/3 + (x+1)/4.[3 marks]
  2. 2(c)(i)Factorise completely xy³ + x²y.[2 marks]
  3. 2(c)(ii)Factorise completely 2mh - 2nh - 3mk + 3nk.[2 marks]
  4. 2(d)Calculate the values of a and b.[3 marks]

More practice: the rest of this paper · more Binary Operations questions · all CSEC Mathematics past papers