Question

Factorise -
a-b
This question of factorisation.

Answer 1

$a - b \\ \\ = {( \sqrt{a}) }^{2} - { (\sqrt{b} )}^{2} \\ \\ = ( \sqrt{a} - \sqrt{b} )( \sqrt{a} + \sqrt{b} )$

Answer 2

Step-by-step explanation:

(a-b) = (root a)^2-(root b)^2

(Root a- root b)(root a + root b)

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