Factorise: p^2-10 p+25 - Vidyadip

Question

Factorise: $p^2-10 p+25$

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Answer

$p^2-10 p+25$
$=(p)^2-2 \times p \times 5+(5)^2$
$=(p-5)^2$
$\{\because a^2- 2ab + b^2= (a - b)^2\}$

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