1
MHT CET 2025 23rd April Evening Shift
MCQ (Single Correct Answer)
+2
-0
If $x=\mathrm{e}^{\tan ^{-1}\left(\frac{y-x^2}{x^2}\right)}$, then $\frac{\mathrm{d} y}{\mathrm{~d} x}$ at $x=1$ is
A
1
B
0
C
2
D
3
2
MHT CET 2025 23rd April Evening Shift
MCQ (Single Correct Answer)
+2
-0
The difference between the maximum value and minimum value of objective function $\mathrm{z}=3 x+5 y$ subject to constraints $x+3 y \leq 60$, $x+y \geq 10, x-y \geq 0, x, y \geq 0$ is
A
60
B
20
C
40
D
80
3
MHT CET 2025 23rd April Evening Shift
MCQ (Single Correct Answer)
+2
-0

If $\bar{a}=\frac{1}{\sqrt{10}}(3 \hat{i}+\hat{k})$ and $\bar{b}=\frac{1}{7}(2 \hat{i}+3 \hat{j}-6 \hat{k})$, then the value of $(2 \overline{\mathrm{a}}-\overline{\mathrm{b}}) \cdot((\overline{\mathrm{a}} \times \overline{\mathrm{b}}) \times(\overline{\mathrm{a}}+2 \overline{\mathrm{~b}}))=$

A
3
B
-3
C
5
D
-5
4
MHT CET 2025 23rd April Evening Shift
MCQ (Single Correct Answer)
+2
-0

In a triangle with one of the angles $120^{\circ}$, the lengths of the sides form an A.P. If length of the greatest side is 7 m , then the area of the triangle is

A
$\frac{15 \sqrt{3}}{4} \mathrm{~m}^2$
B
$\frac{15 \sqrt{3}}{2} \mathrm{~m}^2$
C
$\frac{15}{2} \mathrm{~m}^2$
D
$\frac{15}{4} \mathrm{~m}^2$

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