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निम्न में से कौन सा संबंध सही नही है:
A. `(x+3)^(2)=x^(2)+6x+9`
B. `(x+2y)^(3)=x^(3)+8y^(3)+6xy(x+2y)`
C. `(x+2)^(2)=x^(2)+2x+4`
D. `(x+3)(x-3)=x^(2)-9`

1 Answer

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Best answer
Correct Answer - C
From option (c) LHD `(x+2)^(2)=x^(2)+4x+4`
RHS `=x^(2)+2x+4`
`:.` LHS `!=` RHS

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