Question
Mathematics Question on Arithmetic Progression
Sn=13+23+33+...+n3 and Tn=1+2+3+4......n
A
Sn=Tn3
B
Sn=Tn2
C
Sn=Tn2
D
Sn=Tn3
Answer
Sn=Tn2
Explanation
Solution
Put n = 2 and verify the options.
Sn=13+23+33+...+n3 and Tn=1+2+3+4......n
Sn=Tn3
Sn=Tn2
Sn=Tn2
Sn=Tn3
Sn=Tn2
Put n = 2 and verify the options.