Question
Download Solution PDFयदि nC9 = nC8 है तो nC17 खोजें?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
nC9 = nC8
प्रयुक्त सूत्र:
nCr =
गणना:
हमारे पास है,
nC9 = nC8
⇒
⇒
⇒
⇒
⇒ n - 8 = 9
⇒ n = 17
अब हमें nC17 ज्ञात करना है
n = 17 लेने पर
⇒ 17C17
⇒
⇒
⇒
⇒ 1
∴ nC17 का मान 1 है।
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