A 44000
B 44100
C 44200
D উপরের কোনটাই সত্য নয়
Correct Answer: Option B
13+23+...+n3 = (n(n+1)/2)2
ফলে,
(n(n+1)/2)2
= [20(20+1)/2]2
= [10*21]2
= 44100
Download our app for free and access thousands of MCQ questions with detailed solutions