Question

Sir my question is Square root of p^2-2pq+q^2

Answer 1

Step-by-step explanation:

$|p-q|$

the mod symbol is required because value of square root is has to be positive

Answer 2

Answer:

p - q

Step-by-step explanation:

√ ( p sq. - 2pq + q sq.) = √ ( p - q) sq.

= p - q