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# Let$$x={4\over{(\sqrt5+1)(\root 4\of5+1)(\root 8\of5+1)(\root {16}\of5+1)}}.$$Find $(x+1)^{48}$.

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Let$$x={4\over{(\sqrt5+1)(\root 4\of5+1)(\root 8\of5+1)(\root {16}\of5+1)}}.$$Find $(x+1)^{48}$. I need it kinda quick :) Thanks!!!!!!!

Dec 27, 2020
edited by Guest  Dec 27, 2020

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Dec 27, 2020
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Thanks for nothing. I had to get it wrong. The right answer was 125.

Dec 27, 2020
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Find  $$(\sqrt[16]5-1)(\sqrt[8]{5}-1)(\sqrt[4]{5}-1)(\sqrt5-1)x$$. Then divide and expand. Answer is $$125$$.

Dec 27, 2020
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That is really rude, I have reposted problems up to 5 times, what matters is what you learned, not if it is wrong or right.

Dec 27, 2020
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hi learning Guest.

It would be nice if you became a member of this forum.

We like to get to know the people who are truly here to learn.

It will be better for you too.  Once you are recognized by us as a serious learner you will get better answers more quickly.

You can even message the answerer of your choice and give them a prod if you want to do so.

Melody  Dec 27, 2020
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Yes I tried to sign in, it doesn't work for me, I have attempted 3 times and it has never worked

Dec 27, 2020
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I am very sorry to hear that.

So you do not have an account OR you have an account but cannot sign in?

There has been some overhaul of the programming for this site recently and I know there have been some teething problems.

If you could not make an account I think that problem may have been fixed.  Please try again and let me know how you get on.

(You can post on this thread)    I will let admin know if you still cannot make an account.