For how many positive integers n, with n\le100, is n^3+5n^2 the square of an integer?
Answer Choices
A. 7
B. 8
C. 9
D. 10
E. 11
For how many positive integers n, with n\le100, is n^3+5n^2 the square of an integer?
Answer Choices
A. 7
B. 8
C. 9
D. 10
E. 11