Hii guys!!!
Solve the given question in the attachment.
Plz show the process also....
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gayatrichauhanp9mj8k:
ans is (2b+2c)(2a+2b+2c)
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1
a^2 + b^2 + c^2 + 2ab + 2bc + 2ca - ( a^2 + b^2 + c^2 - 2ab + 2bc - 2ca ) + 4b^2 - 4c^2
= a^2 - a^2 + b^2 - b^2 + c^2 - c^2 + 2ab + 2ab + 2bc - 2bc + 2ca + 2ca + 4b^2 - 4c^2
= 4ab + 4ca + 4b^2 - 4c^2
4 ( ab + ca + b^2 - c^2 )
4 ( b ( a + b ) + c ( a - c ) )
= a^2 - a^2 + b^2 - b^2 + c^2 - c^2 + 2ab + 2ab + 2bc - 2bc + 2ca + 2ca + 4b^2 - 4c^2
= 4ab + 4ca + 4b^2 - 4c^2
4 ( ab + ca + b^2 - c^2 )
4 ( b ( a + b ) + c ( a - c ) )
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6
here is your ans it can be
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