Expanding (a + b + c)2 gives how many squared terms?

Question

Accepted Answer

C. Three

1. Each of the three letters is squared once.
2. The rest of the expansion is cross terms.
3. So there are three squared terms, a2, b2 and c2.
4. The answer is three.
_Source: syllabus Mathematics, Ch 4 'Exploring Algebraic Identities'_

Answer

Nine

Answer

Twelve

Answer

Seven

Expanding (a + b + c)2 gives how many squared terms?

Keep practising Polynomials and Algebraic Identities