SOLUTION: If x = ( 7 plus 4 sqrt 3 ) , then the value of x squared plus 1 divided by x squared is -----?

Question 935085: If x = ( 7 plus 4 sqrt 3 ) , then the value of x squared plus 1 divided by x squared is -----?
Found 2 solutions by MathLover1, srinivas.g:
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
, then the value of is:

which is approximately

Answer by srinivas.g(540) (Show Source): You can put this solution on YOUR website!

Formula:
here a = x , b =1/x
so

move 2 to the right
....eq(1)
but

we have to rationalize the above term
multiply and divide with

formula:

put x+1/x = 14 in eq (1)

so

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