(2/sqrt(5) X sqrt(20) X (8/sqrt(80) I don't understand this question, please answer thank you! :)
+118667 Hi Asinus and guest,
Lets look at this.
2/sqrt(5) X sqrt(20) X (8/sqrt(80) I don't understand this question, please answer thank you! :)
\(\frac{2}{\sqrt5} \times\sqrt{20} \times \frac{8}{\sqrt{80}}\\ =\frac{2}{\sqrt5} \times\sqrt{4*5} \times \frac{8}{\sqrt{16*5}}\\ =\frac{2}{\sqrt5} \times \frac{2\sqrt{5}}{1} \times \frac{8}{4\sqrt{5}}\\ =\frac{2}{\sqrt5} \times \frac{2\sqrt{5}}{1} \times \frac{2}{\sqrt{5}}\\ =\frac{2}{1} \times \frac{2*1}{1} \times \frac{2}{\sqrt{5}}\\ = \frac{8}{\sqrt{5}}\\ = \frac{8}{\sqrt{5}}\times \frac{\sqrt5}{\sqrt5}\\ = \frac{8\sqrt5}{5}\\\)
+14997 Hello Guests.
(2/sqrt(5) X sqrt(20) X (8/sqrt(80) I don't understand this question, please answer thank you! :)
Since twice the clip without parenthesis.
I try it this way.
With computer is:
(2 / √5) * √20 * (8 /√80) = 2 * 8 * √(20 / (5 * 80)) = 16 * √0.05 = 3.5777
With great doubt!
Greeting asinus :- )
!
+118667 Hi Asinus and guest,
Lets look at this.
2/sqrt(5) X sqrt(20) X (8/sqrt(80) I don't understand this question, please answer thank you! :)
\(\frac{2}{\sqrt5} \times\sqrt{20} \times \frac{8}{\sqrt{80}}\\ =\frac{2}{\sqrt5} \times\sqrt{4*5} \times \frac{8}{\sqrt{16*5}}\\ =\frac{2}{\sqrt5} \times \frac{2\sqrt{5}}{1} \times \frac{8}{4\sqrt{5}}\\ =\frac{2}{\sqrt5} \times \frac{2\sqrt{5}}{1} \times \frac{2}{\sqrt{5}}\\ =\frac{2}{1} \times \frac{2*1}{1} \times \frac{2}{\sqrt{5}}\\ = \frac{8}{\sqrt{5}}\\ = \frac{8}{\sqrt{5}}\times \frac{\sqrt5}{\sqrt5}\\ = \frac{8\sqrt5}{5}\\\)
