Expand the following (3a-b+4c)^2
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(3a+5b)2-4c2. More Related Question & Answers. Expand (i) (4a+5b)^3 (ii) (3a. play · Expand the following (i) (4a-b+ac)^(2. play · Expand : (i) (3a-5b)^(2) " ". play ·
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Hi
here is ur answer:-
( 2a + 3b + 4c )²
dear , we need a formula which is
( a + b + c )² = a² + b² + c² + 2 ( ab + bc + cb )
now ,
( 2a )² + ( 3b )² + ( 4c )² + 2 { ( 2a.3b + 3b.4c + 4c.2a ) }
= 4a² + 9b² + 16c² + 2 { ( 6ab + 12bc + 8ca )}
Please mark as brainlist
here is ur answer:-
( 2a + 3b + 4c )²
dear , we need a formula which is
( a + b + c )² = a² + b² + c² + 2 ( ab + bc + cb )
now ,
( 2a )² + ( 3b )² + ( 4c )² + 2 { ( 2a.3b + 3b.4c + 4c.2a ) }
= 4a² + 9b² + 16c² + 2 { ( 6ab + 12bc + 8ca )}
Please mark as brainlist
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