(a-2b)3 এর মান কত?
A
a3+8b3-6a2b-12ab2
B
a3-8b3-6a2b-12ab2
C
a3-8b3-6a2b+12ab2
D
a3-8b3-12a2b-6ab2
Correct Answer: a3-8b3-6a2b+12ab2