A+b+c ka whole square
RavindraShah:
a2 +b2 + c2 +2ab + 2bc +2ca
Answers
Answered by
6
hello friend here is your answer ,
,_____________________
(a+b+c)²=a²+b²+c²+2ab+2bc+2ca
______________________
,_____________________
(a+b+c)²=a²+b²+c²+2ab+2bc+2ca
______________________
Answered by
6
Hii friend,
Let (B+C) =X
Therefore,
(A+B+C)² => (A+X)²
A²+2AX +X²
A²+2A(B+C) + (B+C)²
A²+2AB+2BC+B²+C²+2BC
A²+B²+C²+2AB+2BC+2CA
Hence,
(A+B+C)² = A²+B²+C²+2AB + 2BC +2CA
HOPE IT WILL HELP YOU... :-)
Let (B+C) =X
Therefore,
(A+B+C)² => (A+X)²
A²+2AX +X²
A²+2A(B+C) + (B+C)²
A²+2AB+2BC+B²+C²+2BC
A²+B²+C²+2AB+2BC+2CA
Hence,
(A+B+C)² = A²+B²+C²+2AB + 2BC +2CA
HOPE IT WILL HELP YOU... :-)
Good.... But the given question is an identity
(-:
Good explanation
Thnx
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