if x=3 + root 3 find the value of x square +9/x square
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Answer:
the right answer is 3
Step-by-step explanation:
x²+0/x²
=2x²+9/x²
=2(3+√3)²+9/(3+√3)²
=2(9+3)+9/9+3
=18+6+9/11
=33/11
=3
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