Day 297: NDA Maths

1. A.
   $\ln(\sec x)+\ln|\sec x+\tan x|+c$
2. B.
   $\ln(\sec x)-\ln|\sec x+\tan x|+c$
3. C.
   $\sec x\tan x-\ln|\sec x-\tan x|+c$
4. D.
   $\ln|\sec x+\tan x|-\ln|\sec x|+c$

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1. A.
   $\dfrac{p+q}{1+pq}$
2. B.
   $\dfrac{p-q}{1+pq}$
3. C.
   $\dfrac{pq}{1+pq}$
4. D.
   $\dfrac{p+q}{1-pq}$

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1. A.
   $-1$
2. B.
   $0$
3. C.
   $1$
4. D.
   $2$

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1. A.
   $\frac{1}{3}$ square unit
2. B.
   $\frac{2}{3}$ square unit
3. C.
   $\frac{4}{3}$ square units
4. D.
   $2$ square units

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1. A.
   $3x + 4y - 18 = 0$
2. B.
   $4x + 3y - 1 = 0$
3. C.
   $4x - 3y + 26 = 0$
4. D.
   $3x - 4y + 30 = 0$

Tap an option to check your answer.

1. A.
   $0$
2. B.
   $1$
3. C.
   $\log_{2} 5$
4. D.
   $\log_{5} 2$

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