Day 393: JEE Mains Maths

1. A.
   $S_{1}$ is an infinite set and $n(S_{2})=2$
2. B.
   $S_{1}=\Phi$ and $S_{2}=R-\{0\}$
3. C.
   $n(S_{1})=2$ and $S_{2}$ is an infinite set
4. D.
   $S_{1}=R-\{0\}$ and $S_{2}=\Phi$

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1. A.
   $\mu = 6,\lambda \in R$
2. B.
   $\lambda = 2,\mu \in R$
3. C.
   $\lambda = 3,\mu \in R$
4. D.
   $\mu = - 6,\lambda \in R$

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1. A.
   4
2. B.
   5
3. C.
   $\frac{17}{3}$
4. D.
   $\frac{16}{3}$

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1. A.
   $b = 1,a \in R - \{ 0\}$
2. B.
   $a = 1,\text{ }b \in R - \{ 0\}$
3. C.
   $a = 2,b = 2$
4. D.
   $a = 2,b = 3$

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