Question

if x+1/x=30 find the value of x²+1/x²​

Answer 1

Step-by-step explanation:

x+1/x=30

(x+1/x)²=900

x²+1/x²+2=900

x²+1/x²=898

Answer 2

Answer:

1. x+1/x=30
2. taking whole s,quare both side
3. (x+1/x)^2=30^2
4. x^2+(1/x)^2+2×x×1/x=900
5. x^2+1/x^2=900-2=898
6. x^2+1/x^2=898