If y -2- then find the value of xy -2 x - xy-A- 2

The correct option is A 2Given, the expression is xy+2x/xy. Taking 'x' common from the numerator, we get ⇒xy+2x/xy=x(y+2)/xy=y+2/y Now substituting the value o ...

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Standard VIII

Mathematics

Division of a Polynomial by a Monomial

If y =2, then...

Question

If $y = 2$ , then find the value of $\frac{(x y + 2 x)}{x y}$ .
2

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Solution

The correct option is A 2
Given, the expression is
$\frac{x y + 2 x}{x y} .$
Taking 'x' common from the numerator, we get
$\Rightarrow \frac{x y + 2 x}{x y} = \frac{x (y + 2)}{x y} = \frac{y + 2}{y}$

Now substituting the value of $y$ in the above equation, we get,
$\Rightarrow \frac{x y + 2 x}{x y} = \frac{y + 2}{y} = \frac{2 + 2}{2} = 2$

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If y=2, then find the value of (xy+2x)xy.2

The correct option is A 2Given, the expression is xy+2xxy. Taking 'x' common from the numerator, we get ⇒xy+2xxy=x(y+2)xy=y+2y Now substituting the value of y in the above equation, we get, ⇒xy+2xxy=y+2y=2+22=2

If $y = 2$ , then find the value of $\frac{(x y + 2 x)}{x y}$ .
2