Math, asked by nagpalnamrata, 5 months ago

If x+⅟x = √5; then the value of x²+⅟x² is *

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Answers

Answered by jhak00746
0

Answer:

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Answered by dhavalgoswami
0

Answer:

3

Step-by-step explanation:

(x+1/x)=(√5)

apply both side square,

(x+1/x)^2=(√5)^2

x^2 + 2(x)(1/x) + (1/x)^2 = 5

x^2+(1/x^2)=5-2

 {x}^{2}  -    \frac{1}{{x}^{2} }  = 3

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