Solve the following question
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3+√2/3-√2 =a+b√2
Rationalisong the denominator
Multiply both numerator and denominator by 3+√2
(3+√2)(3+√2)
--------------------
(3-√2)(3+√2)
= (9+2+6√2)
----------------
9-2
= 11+6√2
---------
7
ie;
11+6√2
----------- = a + b √2
7
Equating,
a=11/7
b=6/7
Hope that helped.
^_^
Rationalisong the denominator
Multiply both numerator and denominator by 3+√2
(3+√2)(3+√2)
--------------------
(3-√2)(3+√2)
= (9+2+6√2)
----------------
9-2
= 11+6√2
---------
7
ie;
11+6√2
----------- = a + b √2
7
Equating,
a=11/7
b=6/7
Hope that helped.
^_^
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