Question

use identity (1.1m-0.4) (1.1+0.4)

Answer 1

Hi ,

we know the algebraic identity ,

( a - b ) ( a + b ) = a² - b²

( 1.1 - 0.4 ) ( 1.1 + 0.4 )

= ( 1.1 )² - ( 0.4 )²

= 1.21 - 0.16

= 1.05

I hope this helps you.

:)

Answer 2

here is your answer

hope you like it.