Q. 1 G4.2( 17 Votes )

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Answer :

If LHS is


(3x)2 + 4x + 7


Then RHS would be


(3x)2 + 4x + 7


= 32 × x2 + 4x + 7


= 9x2 + 4x + 7


The error is 9x2 instead of 3x2


Hence (3x)2 + 4x + 7 = 9x2 + 4x + 7


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