is one of the factors of $a b - 2 b + a^{2} - 2 a$

(a - 2)

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(a + 2 b)

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(a + 2)

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(a - b)

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Solution

The correct option is A $(a - 2)$
$a b - 2 b + a^{2} - 2 a$ can be written as
= $b (a - 2) + a (a - 2)$
= $(a - 2) (a + b)$
Hence, factors are (a-2) and (a+b)

Suggest Corrections

Similar questions

a^{2} - 2 a + a b - 2 b

a b - 2 b + a^{2} - 2 a

a b - 2 b + a^{2} - 2 a

a b - 2 b + a^{2} - 2 a

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

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