Find the sum of $x^{2} y, 0.5 x^{2} y$ and $5 x^{2} y .$

6.5 x^{2} y

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6 x^{2} y

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7.5 x^{2} y

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7 x^{2} y

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Solution

The correct option is A $6.5 x^{2} y$
$x^{2} y, 0.5 x^{2} y$ and $5 x^{2} y$ are like terms. Thus, they can be added to give a single term.

The coefficient of the single term will be 1+0.5+5 = 6.5 and the variable component of the term remains as it is.

Hence their sum is $6.5 x^{2} y$ .

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