Hi eveyone,
I heard that the format for the iit 2013 has been changed from objective to subjective.....Is it really true?
Hi eveyone,
I heard that the format for the iit 2013 has been changed from objective to subjective.....Is it really true?

Let S={x:x belongs to R(√3+√2)^(x^2-4) - (√3-√2)^(x^2-4)=10}. Then n(S) is equal to-
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