Question

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

Answer 1

Answer:10

Step-by-step explanation:

Answer 2

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Answer:

x^2+1÷x^2 -------------(1)

x-1÷x=-1

x-1=-1×x

x-1=-x

x+x=1

2x=1

x=1÷2

Put in 1

=(1÷2)^2+1÷(1÷2)^2

=(1÷4)+1÷(1÷4)

=(5÷4)÷(1÷4)

=5÷4×4÷1

=5

Step-by-step explanation:

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