if x is eqall to 6 minus root 35 find the value of x square plus 1 by x square
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Step-by-step explanation:
Given x= 6-√35
So 1/x=1/(6-√35)
=(6+√35)/{(6)^2-(√35)^2}
=(6+√35)/(36-35)=(6+√35)/1
=6+√35
Now x^2+1/x^2
=(6-√35)^2+(6+√35)^2
=2{(6)^2+(√35)^2}
=2{36+35}
=2 * 71
= 142(answer)
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Answer:12
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