Ugh Urgent

**Sm0ke** · June 21st 2006, 07:34 PM

I've been working on these two problems for like an hour and I keep getting wacked out answers that I don't think are right help plz
$\sqrt{25x^2Y6/121x^4) =$

and

$5x^2 multiplied by 6a^2y/25cx^2 divison sign 12a^4x/35cy =$
I think i did that right

plz help!

**earboth** · June 21st 2006, 08:41 PM

Originally Posted by Sm0ke

I've been working on these two problems for like an hour and I keep getting wacked out answers that I don't think are right help plz
$\sqrt{25x^2Y6/121x^4) =$
and
$5x^2 multiplied by 6a^2y/25cx^2 divison sign 12a^4x/35cy =$
I think i did that right

plz help!

Hello,

I presume that you want to calculate:

$\sqrt{\frac{25x^2 y^6}{121x^4}} = \frac{5xy^3}{11x^2}=\frac{5y^3}{11x}$

I hope I read this problem correctly:

$\frac{5x^2 \cdot 6a^2y}{25cx^2} \div\frac{ 12a^4x}{35cy} =$

Divison by a fraction is equal to the multiplication by it's reciprocal. So you get:

$\frac{5x^2 \cdot 6a^2y}{25cx^2} \cdot \frac{35cy }{12a^4x} =$ $\frac{5\cdot 6\cdot 35\cdot c\cdot x^2\cdot a^2\cdot y^2}{25\cdot 12\cdot c\cdot x^3 \cdot a^4}=$ $\frac{7y^2}{2a^2\cdot x}$

Greetings

EB

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