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Find an exact solution for
Then, find the approximate solution.

start by "cross multiplying" to get
\[2(\sqrt{5}-1)=\sqrt{5}x\]

\[x=\frac{2(\sqrt{5}-1)}{\sqrt{5}}\]

\[2\sqrt{5}-2=\sqrt{5}x\]
\[x=\frac{2\sqrt{5}-2}{\sqrt{5}}\]

maybe you need to "rationalize the denominator" as well

okay, i'll try again..

I'm still getting an answer thats not on my choice list.. :/

what are ur choices????

a. 10-2 sqrt5/5; 1.1
b. 2-2sqrt5; -2.5
c. -2; 2
d. 2sqrt5-2/sqrt5; 1.1

ya its d

can you explain how you did and it got that answer please?

see the first part of d has already been solved by satellite 73

for 1.1,you can simply put the value of sqrt(5) and solve....

Oh i see.. lol ty