Day 513: JEE Mains Maths

1. A.
   2
2. B.
   -2
3. C.
   -4
4. D.
   4

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1. A.
   44
2. B.
   42
3. C.
   24
4. D.
   38

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1. A.
   $e^{2} - 1$
2. B.
   $e^{4} + 1$
3. C.
   $e^{4} - 1$
4. D.
   $e^{2} + 1$

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1. A.
   $- \ ^{101}C_{50}$
2. B.
   $\ ^{99}C_{49}$
3. C.
   $- \ ^{99}C_{49}$
4. D.
   $\ ^{101}C_{50}$

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1. A.
   either $z_{1}$ lies on a circle of radius 1 or $z_{2}$ lies on a circle of radius $\frac{1}{2}$
2. B.
   either $z_{1}$ lies on a circle of radius $\frac{1}{2}$ or $z_{2}$ lies on a circle of radius 1 .
3. C.
   $z_{1}$ lies on a circle of radius $\frac{1}{2}$ and $z_{2}$ lies on a circle of radius 1 .
4. D.
   both $z_{1}$ and $z_{2}$ lie on the same circle.

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