Question

x+1/2=11, then x²+1/x²=?




solve in 5 minutes please ​

Answer 1

Answer:

x+1/2=11 ,x=11-1/2

x=21/2

now,

substitute x value in x^2+1/x^2

(21/2)^2+1/(21/2)^2

441/4+4/441

194481+16/1764

194497/1764

110.25..

Answer 2

Answer:

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Step-by-step explanation:

so here x+1/x=11

so squaring both sides

we get

x square+1/x square+2x.1/x=121

ie x square+1/x square=121-2

x square+1/x square=119