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Pascal's Triangle

Binomial Coefficient

C(n, k) = n! / (k! × (n-k)!)

This is the entry in row n, position k of Pascal's triangle (both starting from 0).

Properties

  • Each entry equals the sum of the two entries above it
  • Row sums: each row sums to 2^n
  • Symmetry: C(n, k) = C(n, n-k)
  • The entries give the coefficients of (a+b)^n
  • हल किया गया उदाहरण

    Find the entry at row 6, position 2 of Pascal's triangle.

    1. C(6, 2) = 6! / (2! × 4!)
    2. = 720 / (2 × 24)
    3. = 720 / 48
    4. = 15
    5. Row 6: 1, 6, 15, 20, 15, 6, 1