Question:medium
If \(n-1C_r= (k^2-8)^nC_r+1\) Find \(k\).
If \(n-1C_r= (k^2-8)^nC_r+1\) Find \(k\).
Updated On: Jan 13, 2026
- \(k\in[-3,-2\sqrt2) \cup(2\sqrt2,3)\)
- \(k\in [-4,-2\sqrt3\cup(2\sqrt3,4]\)
- \(k\in [2\sqrt3,4]\)
- \(k\in[3,2\sqrt3]\)
Show Solution
The Correct Option is A
Solution and Explanation
The correct option is (A): \(k\in[-3,-2\sqrt2) \cup(2\sqrt2,3)\)
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