( a+ b + c) ^(2) = a^(2) + b^(2) + c^(2...

` ( a+ b + c) ^(2) = a^(2) + b^(2) + c^(2) + 2 ( ab + bc + ca)`
तो
`(2 + 3 + 4)^(2)`

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The correct Answer is:

(a + b) ^(2) = a^(2) + b^(2) + 2ab या ( 5 + 7)^(2)
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(a + b) ^(2) = a^(2) + b^(2) + 2ab या (8 + 3)^(2)
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(a + b) ^(2) = (a - b) ^(2) + 4ab या (8 + 3)^(2)
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( a - b) ^(2) = (a + b)^(2) - 4ab तो (8 - 3) ^(2)
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( a+ b + c) ^(2) = a^(2) + b^(2) + c^(2) + 2 ( ab + bc + ca) तो ...
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( a + b) ^(3) = a^(3) + b^(3) + 3ab ( a+ b) तो ( 3 + 2) ^(3)
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a^(3) + b^(3) = (a + b) ^(3) - 3ab ( a + b) तो 3 ^(3) + 2^(3)
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( a - b) ^(3) = a^(3) - b^(3) - 3ab ( a - b) तो ( 3 - 2) ^(3)
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a^(3) + b^(3) = (a + b) ^(3) - 3ab ( a + b) तो 3 ^(3) + 2^(3)
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a^(3) + b^(3) + c^(3) - 3 abc = ( a + b + c) ( a^(2)+ b^(2)+ c^(2...
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(a-b)^(3) +(b-c)^(3) +(c-a)^(3) =
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a^(2) - b^(2) = (a + b) ( a - b) तो 4^(2) - 3^(2)
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