
Grade 12IIT JEE Entrance Exam
The term independent of x in expansion product of (4+x+7x^2)(x-3\x)^11
The term independent of x in expansion product of (4+x+7x^2)(x-3\x)^11

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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