If α = m C 2 , then find the value of α C 2 .

Question

Philoid · Accepted Answer

⇒ α = ^mC₂

We know that

And also n! = n(n – 1)(n – 2)…………2.1

⇒

⇒ ..... (1)

We need to find ^αC₂

⇒

From (1)

⇒

∴ The value of ^αC₂ is .