Math, asked by sneha1136, 1 year ago

If equals to
x = 7 +  \sqrt{40}
find the value of
 \sqrt{x }  +  \frac{1}{ \sqrt{x} }

Answers

Answered by fiercespartan
3

Answer:

\frac{2\sqrt{2}+4\sqrt{5}}{3}

Step-by-step explanation:

Refer to the picture! :)

Attachments:

sneha1136: The answer is wrong but thanks for trying
fiercespartan: my bad! Let me just edit it
fiercespartan: it is not 4root5, it is 2root5. Sorry, it's my mistake!
sneha1136: the answer is 2/3 (2root 5 + root 2)
sneha1136: I wanted the explanation of it
fiercespartan: I gave the right answer in that case
fiercespartan: 2root2 + 4root5 / 3 can be written as 2(root2 + 2root5)/ 3 and then that will become 2/3(root2 + root5)
sneha1136: Oh OK the brackets actually confused me
fiercespartan: ohh..sorry!
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