16. Five mark example problems - I

1. Solve \(pqx^2 - (p + q)^2 x + (p + q)^2 = 0\)

 

Answer:

 

\(x =\)

 

(Note: Select multiple answers if necessary.)

 

2. The product of Kumaran's age (in years) two years ago and his age four years from now is one more than twice his present age. What is his present age?

 

Answer:

 

The present age of Kumaran is  years.