Math, asked by swopnanayak2000, 3 months ago

(X²+1/x²) if X+1/X=4

Answers

Answered by Rahul4500

11

Step-by-step explanation:

GIVEN x + 1/x = 4

x^2 + 1/ x^2

(4) ^2

16

Answered by whoodie1812

1

Answer:

x^2-4x-1=0

Step-by-step explanation:

x+1/x=4

Cross multiplying,

x^2+1/x=4

Cross multiplying,

x^2+1=4x

x^2-4x-1=0

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