7) What must be added to the
following to make it perfect square?
49.x2 - 42x
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7) What must be added to the
following to make it perfect square?
49.x2 - 42x
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Step-by-step explanation:
Let x be the no. 2
then 49 ×2^2 - 42×2
49×4 -84
196-84= 112
And 112 is a perfect square of 11