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Home/ Questions/Q 1549
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Janaka Rodrigo
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Janaka RodrigoLevel 2
Asked: February 25, 20232023-02-25T13:24:14+05:30 2023-02-25T13:24:14+05:30In: Combinatorics ( සංකරන හා සංයෝජන )

Geometrical approach in combinatorics

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What is the simplest way of geometrically demonstrating the combinatorics relationship n+1 choose 2 is equal to n(n+1)/2 , in another form C(n+1,2)=n(n+1)/2

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  1. Gaya Nayomi
    Gaya Nayomi Level 1 ( Top Rated ) Senior Lecturer-University of Sri Jayewardenepura
    2023-03-01T20:55:28+05:30Added an answer on March 1, 2023 at 8:55 pm

    First, we would like to see what other teachers have to say in response to this. Let us create a conversation around this question.

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  2. Bourbaki
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    Bourbaki Level 3 i^2 -keep it real-
    2023-06-23T17:29:59+05:30Added an answer on June 23, 2023 at 5:29 pm
    This answer was edited.

    See page 375 in the Attachment.

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