SOLUTION: If x=3-4√2,then the value of x+1/x Will be A) 3+√2 B) -4√2 C) 6 D) None

Question 1133981: If x=3-4√2,then the value of x+1/x Will be
A) 3+√2
B) -4√2
C) 6
D) None
Found 2 solutions by Alan3354, MathLover1:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If x=3-4√2,then the value of x+1/x Will be
------
Is it (x+1)/x ?
or x + (1/x) ?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
If ,then the value of will be

.......multiply by the conjugate and apply minus-plus rules

.... apply minus-plus rules
....simplify:

in case you have you will get

so, in both cases answer is : D)

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