If y-2- then the value of x y-2 x-x will beA- 1B- 2C- 3D- 4

The correct option is D 4Given, the expression is xy+2x/x. Taking 'x' common from the numerator, we get ⇒xy+2x/x=x(y+2)/x=(y+2) Now substituting the value of y ...

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Standard VIII

Mathematics

Division of Polynomials

If y=2, then ...

Question

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

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Solution

The correct option is D 4
Given, the expression is
$\frac{x y + 2 x}{x} .$
Taking 'x' common from the numerator, we get
$\Rightarrow \frac{x y + 2 x}{x} = \frac{x (y + 2)}{x} = (y + 2)$

Now substituting the value of $y$ in the above equation, we get,
$\Rightarrow \frac{x y + 2 x}{x} = (y + 2) = 2 + 2 = 4$

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If y=2, then the value of (xy+2x)x will be

The correct option is D 4Given, the expression is xy+2xx. Taking 'x' common from the numerator, we get ⇒xy+2xx=x(y+2)x=(y+2) Now substituting the value of y in the above equation, we get, ⇒xy+2xx=(y+2)=2+2=4

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