Question

If C (n, 8) = C (n,2) , then C(n,10) =1 . ​

Answer 1

Answer:

$\huge\pink{\boxed{\blue{\boxed{ \purple{ \boxed{{\pink{Answer}}}}}}}} \\ \large\pink{\boxed{\blue{\boxed{ \purple{ \boxed{{\pink{Your~answer↓}}}}}}}} \\ \small\bold\red{C (n, 8) = C (n,2)} \\ \small\bold\red{therefore \: n \: = 8 + 2} \\ \small\bold\red{ = > n = 10} \\ \small\bold\red{now \: C (n, 10) = C (10,10) = 1}$

Properties of Combinations:-

$1. If C (n, x) = C (n,y) \\ </p><p>=> n = x + y \: or \: x = y. \\ </p><p></p><p>2. C(n, n) = 1 \\ 3. \: C(n, r) = \frac{n!</p><p>}{r!(</p><p>n - r)!</p><p>}$

Answer 2

Step-by-step explanation:

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