MCQ for Factorisation

(i) 7

(ii) xy

(iii) 7 xy

(iv) none of these.

(i) (x + l) (x – I)

(ii) (1 – x) (1 + x)

(iii) (1 – x) (1 – x)

(iv) (1 + x) (1 + x).

5xy, 3pqr and 40 xyz?

(i) 5

(ii) 0

(iii) xy

(iv) 1

(i) 6 Yz

(ii) –6 yz

(iii) 6 xy^{2}

(iv) 6 xy

(i) (x^{2} – b)

(ii)

(iii) –(x^{2} – b)

(iv) – (x + a)

(i) ab – a – b + 1 = (1 – a)(1 – b)

(ii) ab – a – b + 1 = (a – 1)(b – 1)

(iii) ab – a – b + 1 = (1 – a)(b – 1)

(iv) ab – a – b + 1 = (a – 1)(1 – b)

(i) y^{2} – yx

(ii) yx – x^{2}

(iii) y^{2} – x^{2}

(iv) x^{2} – y^{2}

(i) (b + c) (c + a)

(ii) (a + b) (a + c)

(iii) a(a + b + c)

(iv) (a + b) (b + c).

(i) x(x – x^{2})

(ii) x[(1+ x) (1 – x)]

(iii) x(x^{2} – x)

(iv) x[(x + 1) (x – 1)]

(i) x(1 – 15x) (1 + 15x)

(ii) x(x – 15) (x + 15)

(iii) x(1 – 15x) (1 – 15x)

(iv) x(1 + 15x) (1 – 15x).