The square root of 1+x^{2}+\sqrt{1+x^{2}+x^{4}} is

Correct Answer is : 12[1+x+x2+1−x+x2]

1/{\sqrt2}[\sqrt{1+x+x^{2}+\sqrt{1-x+x^{2}]

1/{\sqrt2}[\sqrt{1+x+x^{2}-\sqrt{1-x+x^{2}]

1/{\sqrt2}[\sqrt{1+x^{2}+x^{4}+x^{8}}]

Indian Institute of Foreign Trade 2018 Solved Paper

Question : 113 of 114

Marks: +1, -0

The square root of

1+x^{2}+√{1+x^{2}+x^{4}}

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