Factorise $a^{2} - a b - c a + b c$

(a - b) (a + c)

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(a + b) (a - c)

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(a - b) (a - c)

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(a + b) (a + c)

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Solution

The correct option is C $(a - b) (a - c)$
$F a c t o r i z i n g a^{2} - a b - c a + b c, = a (a - b) - c (a - b) = (a - b) (a - c)$

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Similar questions

Factorise the term $a^{2} + b c + a b + a c$

∣ ∣ ∣ ∣ \begin{matrix} b + c & a - b & a c + a & b - c & b a + b & c - a & c \end{matrix} ∣ ∣ ∣ ∣ =

a, b,

c

(a b + b c) (- c b + b a) + (b c + c a) (- a c + c b) + (c a + a b) (a c - b a)

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