1.

If (x-1÷x)=5, then the value of x^2+1÷x^2=

Answer»

Answer:

27

Step-by-step EXPLANATION:

(X-1÷x)=5

(x-1÷x)^2=5^2

x^2 + (1/x)^2 -2*x*1/x=25

x^2 + (1/x)^2 -2=25

x^2 + (1/x)^2=25+2

x^2 + (1/x)^2=27



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