KVPY2014MathematicsBasics of Mathematics
For a real number r let [r] denote the largest integer less than or equal to r. Let a>1 be a real number which is not an integer, and let k be the smallest positive integer such that [ a ^ k ]>[ a ]^ k . then which of the following statements is always true?
Options
- Ak 2([a]+1)²
- Bk ([a]+1)⁴
- Ck 2^ [a]+1
- Dk 1 a-[a] +1
Correct answer
D. k 1 a-[a] +1
Step-by-step solution
No Solution