Question

x2+1/x2 equal to 34 then find x equal to 3+2root2​

Answer 1

x4+x2=34

(3+2*22/7)4+(3+2*22/7)2

=7500.94

Answer 2

Answer:

X2+1/X2=34

X2+1/X2+2×x×1/x=34+2×x×1/x

(x+1/x)2=36

(x+1/x)2=(6)2

x+1/x=6........1

x2+1/X2=34

X2+1/x2-2×x×1/x=34-2×1/x×x

(x-1/x)2=32

(x-1/x)2=(4root2)2

x-1/x=4root2.....2

BY SOLVING 1 AND 2 WE GET

2x=6+4root2

x=2(3+2root2)/2

x=3+2root2......proved

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