Math, asked by vijayaruchal9, 1 year ago

a=2+√3,find a^2+a^-2

Answers

Answered by abhaypratapninth

1

14

As solved by rationalisation

Thanks

Attachments:

Previous Question

Next Question

Similar questions

English, 7 months ago

The mummy is in a very bad condition. ( Question Tag )...

English, 7 months ago

Who is called the father of Economics? Pls Follow me ...

Math, 7 months ago

What is remainder when x³. - 2x² + x + 1 is divided by x - 1? (a) 0 (b) -1 (c) 1 (d) 2...

Social Sciences, 1 year ago

founder of MICROSOFT?????

Math, 1 year ago

1. In triangle ABC and triangle ADEE AB = DE and BC = EF What additional information is required to make the two triangles congruent by SAS congruence condition?

Social Sciences, 1 year ago

largest continent in the world...

English, 1 year ago

when asked about the potential use of a particular scientific phenomenon, faraday answered politely , 'sir, of what use is a new-born baby?' explain what Faraday meant by this. (is science useful?) plz answer me guy's with help of picture...

Geography, 1 year ago

What is a Solstice? How many are there in a year? How do they happen? What's their significance?