please tell me 9th question
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Hi ,
36( a + b )² - 49( a - b )²
= [ 6( a + b ) ]² - [ 7(a - b ) ]²
= [ 6a + 6b ]² - [ 7a - 7b ]²
= [6a + 6b+ 7a -7b] [6a + 6b-(7a - 7b )]
= ( 13a - b ) [ 6a + 6b - 7a + 7b ]
= ( 13a - b ) ( 13b - a )
I hope this helps you.
: )
36( a + b )² - 49( a - b )²
= [ 6( a + b ) ]² - [ 7(a - b ) ]²
= [ 6a + 6b ]² - [ 7a - 7b ]²
= [6a + 6b+ 7a -7b] [6a + 6b-(7a - 7b )]
= ( 13a - b ) [ 6a + 6b - 7a + 7b ]
= ( 13a - b ) ( 13b - a )
I hope this helps you.
: )
Harshvardhan1111:
thank you
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