Fundamental Principle of Counting

Sanjay Sindhu

a year ago

Using D> or = 0 , we have q^2-4p> or = 0
let q=2 , then we have p=1 only...
now let q=3 , here we have p=1 or 2...
now let q= 4 , then we have p=1 or 2 or 3 or 4 ...
thus total 7 equations are possible with real roots...