SOLUTION: solve in R: x= 12-sqrt(12-sqrt(x))
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Question 1121373
:
solve in R: x= 12-sqrt(12-sqrt(x))
Answer by
MathLover1(20850)
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.......square both sides
.....square both sides
x^4 - 48 x^3 + 840 x^2 - 6336 x-x + 17424=0
solutions:
if you verify solutions, you will notice that only
will make
true