
Grade 12IIT JEE Entrance Exam
10. Which of the following cannot be produced by following reaction ?
RX + KCN
R - CN +KX
(A) Ethane nitrile (B) Propane nitril
(C) 2-dimethyl propane nitrile (D) 4-toluonitrile

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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