Rationalizing Factor is is

- a)-5-√2
- b)5-√2
- c)5+√2
- d)-5+√2

Correct answer is 'C'. Can you explain this answer?

Related Test: Test: Real Numbers

6 Answers

Nandika H Hareendran
answered
Jun 24, 2018

I am confused because the answer which got is 5+root 2/23. I got this answer by taking the congugate.

Sudhir Shelke
answered
Jun 16, 2018

Ans c is because by direct rationalisation but while solving it comes =5+root2 Ã·5Ã—5-root2Ã—root2 =5+root2Ã·25-2 =5+root 2Ã·23 {answer} so i m too confused

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