if p_r ^n =49 , c_r ^n =196 find the valve of r and n? pleas sir help me


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Question Number 73982 by mhmd last updated on 17/Nov/19

$i f p_{r}^{n} = 49, c_{r}^{n} = 196 f i n d t h e v a l v e o f r a n d n ?$ $p l e a s s i r h e l p m e$
Commented by som(math1967) last updated on 17/Nov/19

${\overset{n}{c}}_{r} > {\overset{n}{p}}_{r} ? ? ? h o w ?$
Commented by Raxreedoroid last updated on 17/Nov/19

$p_{r}^{n} = r! \cdot c_{r}^{n}$ $49 = r! \cdot 196$ $r! = \frac{49}{196}$ $r! = \frac{1}{4}$ $solve for when Γ (r + 1) = \frac{1}{4} ?$ $Γ (x) = c range when x \in R is almost ∣ c ∣> 0.88 . . . (\frac{\sqrt{π}}{2})$ $∣ 0.25 ∣< 0.8$ $so there is no solution$
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