In the following questions, two equations numbered I and II are given. You have to solve both the equations and give answer. . c o e e I. x2 - x - 20 = 0 II. y2 + 2y - 35 = 0

Explanation

I. x2 - x - 20 = 0 Pairs = -5, 4 And now dividing by a and by changing the sign we get, x = 5, -4 II. y2 + 2y - 35 = 0 e e Pairs = 7, -5 And now dividing by a and by changing the sign we get, y = -7, 5 Shortcut method: Hence, the relationship between x and y cannot be established. If constant sign of both the equation is -ve, then relation cannot be established between x and y.