Question

19square - 18square. Solve by using property ​

Answer 1

Answer:

Answer:

{a}^{2}-{b}^{2}a

2

−b

2

=(a-b)(a+b)

Now,solve it...

(19-18)(19+18)

=(1)×(37)

=37 is answer..

Answer 2

19² - 18²

Let 19 = a, and 18 = b

Formula:-a²-b²

= (a+b)(a-b)

Solution:-

19² - 18²

= (19+18)(19-18)

= 37x1

= 37

So, 19² - 18² = 37