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24 votes
If


(3 + √(2) )/(3 - √(2) )
=a+b×

√(2)
, find the values of a and b.

With Full Workings.
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1 Answer

4 votes

Answer:

The answer is


a = (11)/(7) \\ b = (6)/(7)

Explanation:


(3 + √(2) )/(3 - √(2) ) * (3 + √(2) )/(3 + √(2) ) \\ = (9 + 3 √(2) + 3 √(2) + 2)/(9 - 3 √(2) + 3 √(2) - 2 ) \\ = (11 + 6 √(2) )/(7) \\ = (11)/(7) + (6)/(7) √(2) \

In comparison

Then


a = (11)/(7) \\ b = (6)/(7)

User Nayan Srivastava
by
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