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Question: Answered & Verified by Expert
If ${ }^{(n-1)} C_r=\left(k^2-3\right){ }^n C_{r+1}$, then an interval containing the values of $k$, is
MathematicsBinomial TheoremAP EAMCETAP EAMCET 2017 (26 Apr Shift 2)
Options:
  • A $(-\infty,-3]$
  • B $[-2,-\sqrt{3})$
  • C $[-\sqrt{3}, \sqrt{3}]$
  • D $(-\infty,-\sqrt{2}]$
Solution:
1242 Upvotes Verified Answer
The correct answer is: $[-2,-\sqrt{3})$
No solution. Refer to answer key.

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