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Find the value of 80C2

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प्रश्न

Find the value of 80C2

योग
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उत्तर

80C2 = `(80!)/(2!(80 - 2)!)`

= `(80!)/(2! 78!)`

= `(80 xx 79 xx 78!)/(2 xx 78!)`

= 40 × 79

= 3160

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अध्याय 3: Permutations and Combination - Exercise 3.6 [पृष्ठ ६४]

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बालभारती Mathematics and Statistics (Arts and Science) Part 2 [English] Standard 11 Maharashtra State Board
अध्याय 3 Permutations and Combination
Exercise 3.6 | Q 1. (b) | पृष्ठ ६४

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