if a=√(3)-1÷√(3)+1 and ab=1,then find (a^(3)+b^(3)).
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0
Answer:
Given,
3
+1
3
−1
=a+b
3
On rationalizing, we get
(
3
+1)(
3
−1)
(
3
−1)(
3
−1)
=a+b
3
⇒
2
3+1−2
3
=a+b
3
⇒2−
3
=a+b
3
Comparing a=2,b=−1
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Answer:
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