hey friends plzz solve my question ☺☺
find rational number a and b such that .
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(2-√5)^2. 4 +5 -4√5. 9-4√5
-------------. === ---------------. === ---------
2^2 -√5^2 4-5. -1
-9+4√5
b= -9
a =4
-------------. === ---------------. === ---------
2^2 -√5^2 4-5. -1
-9+4√5
b= -9
a =4
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