Question

factorise: 1-3a^
$factorise \\ 1 - {3a}^{2}$

Answer 1

$\: \: \: \: 1 - 3 { a}^{2} \\ = (1 - \sqrt{3}a)(1 + \sqrt{3}a).$
(By applying identity:-

$(x + y)(x - y) = {x}^{2} - {y}^{2}$



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