Day 413: MHT-CET Maths

1. A.
   $x\geq1,\ y\leq3,\ x-2y\geq2,\ 6x+7y\leq42,\ x\geq0,\ y\geq0$
2. B.
   $x\geq1,\ y\leq3,\ x-2y\geq2,\ 6x+7y\geq42,\ x\geq0,\ y\geq0$
3. C.
   $x\leq1,\ y\geq3,\ x-2y\leq2,\ 6x+7y\leq42,\ x\geq0,\ y\geq0$
4. D.
   $x\geq1,\ y\leq3,\ x-2y\leq2,\ 6x+7y\leq42,\ x\geq0,\ y\geq0$

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1. A.
   $\left(\frac{dy}{dx}\right)^3=27y$
2. B.
   $\left(\frac{dy}{dx}\right)^3=-27y$
3. C.
   $8\left(\frac{dy}{dx}\right)^3=27y$
4. D.
   $8\left(\frac{dy}{dx}\right)^3+27y=0$

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1. A.
   2
2. B.
   3
3. C.
   4
4. D.
   7

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1. A.
   $y(1+x^3)=x^3+c$
2. B.
   $y(1+x^3)=x+c$
3. C.
   $y(1+x^3)=x^2+c$
4. D.
   $y(1+x^3)=2x+c$

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1. A.
   40
2. B.
   17.6
3. C.
   28
4. D.
   25.6

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