$\dfrac{\sqrt{5}-1}{\sqrt{5}+1}=\dfrac{(\sqrt{5}-1)(\sqrt{5}-1)}{(\sqrt{5}+1)(\sqrt{5}-1)}\\\\=\dfrac{5-2\sqrt{5}+1}{5-1}=\dfrac{6-2\sqrt{5}}{4}\\\\=\dfrac{3}{2}-\dfrac{1}{2}\sqrt{5}$

Comparing this to the form a+b√5, we see that ...

a = 3/2

b = -1/2

8 0

3 years ago

A tiger can eat up to 55 pounds a meat a day about hiw many days would it take to eat the follwing pray

Sholpan [36]

May you give answer choices please.

4 0

3 years ago

What are the numbers of pi

tresset_1 [31]

3.14?

or do you want more digits?

3.141592653589793238462643383279502884197169399375105820974944592307816406286<span> </span>

3 0

3 years ago

Read 2 more answers