Question

The coefficient of mn in the expansion of (m-n)2

is

(a)1 (b) —1 (c)2 (d) —2​

Answer 1

Answer:

gfffhfdtvc d6rd

Step-by-step explanation:

hfgvgd7 cck6vdbugnhuj

Answer 2

Answer:

The coefficient of mn in the expansion of (m-n)2 is 2.

ANSWER:- option c is your correct answer.