AP EAMCET2005MathematicsBasics of Mathematics
n(n+1)(2 n+1): n Z
Options
- A6 k: k Z
- B12 k: k Z
- C18 k: k Z
- D24 k: k Z
Correct answer
A. 6 k: k Z
Step-by-step solution
Let f(x)=n(n+1)(2 n+1) When we put the different values of n , we will get the set aligned & = -30,-6,0,6,12, & n(n+1)(2 n+1): n z c & 6 k: k Z] aligned