Factorisation of polynomials: IMAT practice question 1193

FACTORISATION OF POLYNOMIALS · IMAT Doutor1 / 1

Which of these cannot be factorised into linear factors with real coefficients?

x^{2} - 1

x^{2} - 2 x

x^{2} + 2 x + 1

x^{2} - 4

x^{2} + 1

Keyboard: A–E to choose, Shift + letter to cross out, Enter to confirm.