Question

If x + 1/x = 4, then the value of x² + 1/x²​

Answer 1

Answer:

Step-by-step explanation:

Given that,

x + 1/x = 4

x² + 1/x² = ( x + 1/x )² - 2 ( x ) ( 1/x )

= ( 4 )² - 2 (∵ Given that, x + 1/x = 4 )

= 16 - 2

= 14 is the answer.

Answer 2

Answer:

x^2 + 1/x^2 = 16

Step-by-step explanation:

so take your question first

x + 1/x = 4

all you have to do is, change your numbers with their power

imagine 1^2 then it is 1 only and 2^2 then it is only 4.

so the answer is,

x^2 + 1/x^2 = 16 because 4^2 is 16 so here is your answer

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thank you, hope this your answer :}