please tell me answer
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Solution :
( a + b )² - ( a - b )²
***********************************
We know the algebraic identity:
x² - y² = ( x + y )( x - y )
************************************
= [ a + b + a - b ][ a + b -( a - b ) ]
= ( 2a )( a + b - a + b )
= ( 2a )( 2b )
= 4ab
•••••
( a + b )² - ( a - b )²
***********************************
We know the algebraic identity:
x² - y² = ( x + y )( x - y )
************************************
= [ a + b + a - b ][ a + b -( a - b ) ]
= ( 2a )( a + b - a + b )
= ( 2a )( 2b )
= 4ab
•••••
Answered by
1
hi this is answer dude
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