Factorial: definition and notation

Factorial and nCr Notation || Properties OF nCr

Factorial and ncr Notation and Properties ncr

Problems on fundamentals Principal OF Counting || Factorial Notation and Exponent OF Prime Number

Express the vector in unit - vector notation.

Factorial is defined for ____ numbers.

Introduction to Inequations & set notations

The production of cement by factory B in 2009 and production of cement by factory D in 2010 together is what per cent of production by factory A in 2008?

Factories Come Up

Factorial of a number and modulus of a number