Gujarat BoardEnglish MediumSTD 8MATHSAlgebraic Expressions, Identities and Factorisation1 Mark
Question
$38 x^3 y^2 z \div 19 x y^2$ is equal to _________.
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Answer
$38 x^3 y^2 z \div 19 x y^2$ is equal to $2x^2z.$ Solution:
We have,$38\text{x}^3\text{y}^2\text{z}\div19\text{xyz}^2$
$\frac{38\text{x}^3\text{y}^2\text{z}}{19\text{xy}^2}$
$=\frac{38\times\text{x}\times\text{x}\times\text{x}\times\text{y}\times\text{y}\times\text{z}}{19\times\text{x}\times\text{y}\times\text{z}}$
$=\frac{38}{19}\text{x}^2\text{z}$
$=2\text{x}^2\text{z}$
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