Factorise : (0.7)^2-(0.3)^2
Answers
Answered by
7
=(0.7)^2-(0.3)^2
=0.49-0.09
=0.4
=0.49-0.09
=0.4
Ameer12:
Please mark my answer as brainliest...
Answered by
35
Hi ,
******************************
We know the algebraic identity,
a² - b² = ( a + b )( a - b )
******************************
( 0.7 )² - ( 0.3 )²
= ( 0.7 + 0.3 ) ( 0.7 - 0.3 )
= 1.0 × 0.4
= 0.4
I hope this helps you.
:)
******************************
We know the algebraic identity,
a² - b² = ( a + b )( a - b )
******************************
( 0.7 )² - ( 0.3 )²
= ( 0.7 + 0.3 ) ( 0.7 - 0.3 )
= 1.0 × 0.4
= 0.4
I hope this helps you.
:)
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