If \[y={{({{x}^{2}}-1)}^{m}}\], then the \[{{(2m)}^{th}}\]differential coefficient of y is [MP PET 1987]

If \[y={{({{x}^{2}}-1)}^{m}}\], then the \[{{(2m)}^{th}}\]differential

1.	If \[y={{({{x}^{2}}-1)}^{m}}\], then the \[{{(2m)}^{th}}\]differential coefficient of y is [MP PET 1987]
A.	m
B.	\[(2m)!\]
C.	2m
D.	m!
Answer» C. 2m