Day 23: NDA Maths

1. A.
   $\frac{(10e)^x}{1 + \ln 10} + c$
2. B.
   $\frac{10e^x}{1 + \ln 10} + c$
3. C.
   $\frac{e^{2x}}{2} + c$
4. D.
   $\frac{e^{2x}}{4} + c$

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1. A.
   $1/2$
2. B.
   $1$
3. C.
   $2$
4. D.
   $4$

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1. A.
   $1$
2. B.
   $4/5$
3. C.
   $3/5$
4. D.
   $1/2$

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1. A.
   first quadrant only
2. B.
   second quadrant only
3. C.
   both first quadrant and second quadrant only
4. D.
   all the four quadrants

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1. A.
   $2x + y - 5 = 0$
2. B.
   $x + y - 3 = 0$
3. C.
   $x + 2y - 4 = 0$
4. D.
   $x - y - 1 = 0$

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