Divide 57 p 2 qr by 114 pq-A- -B- - r -2C- 2 prD- pr

The correct option is A pr/2Given, the expression is 57p^2qr/114pq. The above expression can be factorised as, 3× 19× p× p× q× r/2× 3× 19× p× q =p× r/2 =pr/2 ...

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Standard VIII

Mathematics

Division of Monomial by Monomial

Divide 57 p 2...

Question

$Divide 57 p^{2} q r by 114 p q .$

\frac{p r}{2}

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\frac{q r}{2}

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2 p r

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p r

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Solution

The correct option is A $\frac{p r}{2}$
Given, the expression is
$\frac{57 p^{2} q r}{114 p q} .$
The above expression can be factorised as,
$\frac{3 \times 19 \times p \times p \times q \times r}{2 \times 3 \times 19 \times p \times q}$
$= \frac{p \times r}{2}$
$= \frac{p r}{2}$

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Divide 57p2qr by 114pq.

The correct option is A pr2Given, the expression is 57p2qr114pq. The above expression can be factorised as, 3×19×p×p×q×r2×3×19×p×q =p×r2 =pr2

$Divide 57 p^{2} q r by 114 p q .$

The correct option is A $\frac{p r}{2}$
Given, the expression is
$\frac{57 p^{2} q r}{114 p q} .$
The above expression can be factorised as,
$\frac{3 \times 19 \times p \times p \times q \times r}{2 \times 3 \times 19 \times p \times q}$
$= \frac{p \times r}{2}$
$= \frac{p r}{2}$