If a=3-2root 2 find the value I'd a-1/a whole squre
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Answer:
a=3-2√2
1/a=1/3-2√2
by rationalizing we get,
1/a = 3+2√2
SO, a-1/a=3-2√2-(3+2√2)=3-3-2√2-2√2
a-1/a= -4√2
Explanation:
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