If y = sqrt(5+sqrt(5-y)), find the value of y. Hint: The value is irrational

Question

Parth Solanki · Answer

square it and take 5 on another side and again square it.

Shiv Raj · Answer

y^4 - 10y^2 + y + 20 = 0
letting y^2=k
k^2 - 10k + sqrt(k) + 20 = 0
Don't know how to proceed ahead

sana samrin · Answer

What is the answer?

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