Question

If x= root 5+2 then find the value
of x² + 1/x2​

Answer 1

Answer:

x=√5+2

x²=(√5+2)²

=5+2

=7

x²+1/x²

=7+1/7

49+1

____

7

=50/7

=7.142

Step-by-step explanation:

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Answer 2

Answer:50/7

Step-by-step explanation:x^2+1/x^2

So,( √5+2)^2+1/(√5+2)^2 = square will cut root so 7+1/7, by taking lcm we get answer is 50/7