Question

please solve it through a specific formula please​

Answer 1

Answer:

hi.......

Step-by-step explanation:

Q. 41²- 40²

solution : 205 - 1600

= -1495

Answer 2

Using (a)^2 - (b)^2 = (a + b)(a - b)

${(41)}^{2} - {(40)}^{2}$

$= (41 + 40)(41 - 40)$

$= (81)(1)$

$= 81$

Hope this helps you ;)