Saved Bookmarks
| 1. |
n is a natural number. Which number is to be added to n2 + 6n. So as to get a perfect square always. |
|
Answer» n2 + 6n + 9 = n2 + 2 x n x 3 = 32 = (n + 3)2 which is a perfect square. Hence, we have to add 9 in n2 + 6n to gent a perfect square. |
|