3 years ago

If x+1÷x=5 then x^19+1÷x^19=?

Mathematics

1 answer:

Molodets [167]3 years ago

6 0

Answer:

1/x + x = 5

simply square both sides:

(1/x + x)^2 = 5^2

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

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

1/x^2 + x^2 = 23

Step-by-step explanation:

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If x+1÷x=5 then x^19+1÷x^19=?​

If x+1÷x=5 then x^19+1÷x^19=?