Question

evaluate the following(399)^2

Answer 1

HEYA USER !!

➡➡HERE IS UR ANSWER --

✅✅EVALUATE :- (399)^2

= (400 - 1)^2

Using the formula (a-b)^2......

= (400)^2 + (1)^2 - 2*400*1

= 160000 + 1 - 800

= 160001 - 800

= 159201....

HOPE IT HELPS ....☺

Answer 2

Hi Friend !!!

Here is ur answer !!!!

399² = (400-1)²

= 400²-2(400)(1)+1²

= 160000 + 1-800

= 159,201


Hope it helps u :-)