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A Real Number problem (
Posted on 20060816
)
Given that x is a real number, determine all possible solutions of:
√(x1) + √(3x) = x²  4x + 6
See The Solution
Submitted by
K Sengupta
Rating:
4.0000
(2 votes)
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An idea
 Comment 1 of 9
Given that sqrt(x1)+sqrt(3x)= sqrt(2+ 2.sqrt((x1)(3x))), writing f for x^24x+6, you would have to solve 2+2.sqrt((x1)(3x))=f^2, or (x1)(3x)= (f^22)^2, an eightdegree polynomial...
Posted by
Old Original Oskar!
on 20060816 13:36:40
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