Question

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Answer 1

Given :

$x + 1 \div x = 2 \\ squaring \\ x ^{2} + 1 \div x ^{2} + 2 = 4 \\ x ^{2} + 1 \div x ^{2} = 2 \\ similarly \: all \: will \: get \: the \: same \: answer \: 2$

U can prove by this.

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