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So are you sure it is ? If it was it would turn into a square. As the above squares?
Hello, math sucks!
Could there be a typo?
If the first minus-sign is a plus, there's a neat answer . . .
LetEvaluate without a calculator.
Under the radical, we have: .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
The problem becomes: .
Therefore, the value is: .
For some reason it seems my calculator ignores any constants I put under the square root. Ignore my last posts. There must be a problem with my calculator.
EDIT: Ah I think I know what it is. The product under the square root is a very large number and subtracting or adding 1 does not change it much. Therefore when finding the root, one gets the same answer.