Question

x-x/1=3 then find the value of x/x^2+1​

Answer 1

Answer:

Question :

If x+x1=3 then x2+x21

Step-by-step explanation:

Answer : (x+x1)2=x2+x21+2×x×x1

⇒(3)2=x2+x21+2

⇒9=x2+x21+2

⇒x2+x21+2=9

⇒x2+x21=9−2=7

∴x2+x21=7

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