Q1 of 118 Page 18

Evaluate the following:

We know that ..... (1)

And also n! = n(n – 1)(n – 2)…………2.1

Given that we need to find the value of

From (1)

⇒

We know that 0! = 1

⇒

∴ The value of is 31.

Evaluate the following:

³⁵C₃₅

Evaluate the following:

If ⁿC₁₂ = ⁿC₅, find the value of n.

If ⁿC₄ = ⁿC₆, find ¹²C_n.