1
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

$$y=(1+x)\left(1+x^2\right)\left(1+x^4\right) \ldots \ldots \ldots\left(1+x^{2 n}\right)$$, then the value of $$\frac{\mathrm{d} y}{\mathrm{~d} x}$$ at $$x=0$$ is

A
0
B
$$-$$1
C
1
D
2
2
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+2
-0

If $$\mathrm{f}(x)=3^x ; \mathrm{g}(x)=4^x$$, then $$\frac{\mathrm{f}^{\prime}(0)-\mathrm{g}^{\prime}(0)}{1+\mathrm{f}^{\prime}(0) \mathrm{g}^{\prime}(0)}$$ is

A
$$\frac{\log \left(\frac{3}{4}\right)}{1+(\log 3)(\log 4)}$$
B
$$\frac{\log \left(\frac{3}{4}\right)}{1+\log 12}$$
C
$$\frac{\log 12}{1+\log 12}$$
D
$$\frac{\log \left(\frac{3}{4}\right)}{1-\log 12}$$
3
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+2
-0

$$\text { For all real } x \text {, the minimum value of } \frac{1-x+x^2}{1+x+x^2} \text { is }$$

A
0
B
1
C
$$\frac{1}{3}$$
D
3
4
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+2
-0

The set of all points, where the derivative of the functions $$\mathrm{f}(x)=\frac{x}{1+|x|}$$ exists, is

A
$$(-\infty, \infty)$$
B
$$[0, \infty)$$
C
$$(-\infty, 0) \cup(0, \infty)$$
D
$$(0, \infty)$$
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