Factor(s) of a2−2ab+b2−c2 is/are
a-b+c
a-b-c
Both 1 and 2
a+b-c
a2−2ab+b2−c2=(a−b)2–c2=[(a−b)+c][(a−b)−c]
A factor of a2−2ab+b2−c2 is ___________.
a2+b2−c2−d2+2ab−2cd.