Question
Mathematics Question on binomial expansion formula
Find the number of rational numbers in the expansion of (251+531)15.
A
3133
B
6131
C
931
D
633
Answer
3133
Explanation
Solution
The correct answer is option (A): 3133
Find the number of rational numbers in the expansion of (251+531)15.
3133
6131
931
633
3133
The correct answer is option (A): 3133