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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
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Submitted by
K Sengupta
Rating:
4.0000
(2 votes)
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go graphical
 Comment 3 of 9 
The left side is only defined in the range 1 < x < 3
Plotting y vs each side of the equation in that range results in a curve, and the two curves only intersect at (2,2). So the answer is 2.
Not sure how to do it empirically
Posted by
Larry
on 20060816 21:39:45
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