41*39Find the value using expansion formula.
Answers
Answered by
1
BONJOUR,
❤ ❤ ❤
we can write this like (40+1)(40-1)
then, we use identity
(a+b)(a-b) = a^2- b ^2
❤ ❤ ❤
we can write this like (40+1)(40-1)
then, we use identity
(a+b)(a-b) = a^2- b ^2
Similar questions