Factorise: 1-(b-c)^2 - Vidyadip

Question

Factorise:
$1-(b-c)^2$

✓

Answer

$1-(b-c)^2$
$=(1)^2-(b-c)^2$
$=(1+b+c)(1-b+c)$
$\left\{\because a^2-b^2=(a+b)(a-b)\right\}$

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