p-1p=3 হলে ,p3-1p3= কত ?
A
18
B
30
C
36
D
54
Correct Answer: 36
দেওয়া আছে, p - 1/p = 3 p3 - 1/p3 = ( p - 1/p) 3 + 3. p. 1/p ( p - 1/p) = ( 3) 3 + 3. 3 = 27 + 9 = 36