
Grade 10IIT JEE Entrance Exam
Do all 13 group elements react with nitrogen or only boron and aluminium?
Do all 13 group elements react with nitrogen or only boron and aluminium?

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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