Question

Find the sum of two consecutive no? If the difference of squares of the two numbers is 19.
(a) 19

Answer 1

Answer:

let 1st no=x

2nd consecutive no=x+1

ATQ

(x+1)^2-x^2=19

x^2_2x+1-x^2=19

2x+1=19

x=18/2

=9

1st no=9

2nd no=9+1=10Ans