If n C x - n n C y thenA- x - yB- n - x - yC - n - xD - n - y

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Sum of binomial coefficients with alternate signs

If n C x = n ...

Question

If $^{n} C_{x} =^{n} C_{y}$ then

x=y

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n = x + y

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n = x

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n = y

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Similar questions

if X = {$8^n-7n-1/n \in N$} and Y = {$49(n-1)/n \in N$}, then

X = {8^{n} - 7 n - 1 | n ϵ N}

Y = {49 n - 49 | n ϵ N}

^{n} C_{x} =^{n} C_{y}

=

if X={ $8^{n} - 7 n - 1 : n \in N$ and Y={49(n-1):n $\in$ N}, then

If $^{n} C_{x} =^{n} C_{y}$ and $n \neq y$ then prove that $x + y = n .$

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