JEE MAIN - Mathematics Hindi (2024 - 27th January Morning Shift - No. 15)
$${ }^{n-1} C_r=\left(k^2-8\right)^n C_{r+1}$$ है यदि और केवल यदि :
$$2 \sqrt{2}<\mathrm{k}<2 \sqrt{3}$$
$$2 \sqrt{2}<\mathrm{k} \leq 3$$
$$2 \sqrt{3}<\mathrm{k}<3 \sqrt{3}$$
$$2 \sqrt{3}<\mathrm{k} \leq 3 \sqrt{2}$$
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