1
KCET 2017
MCQ (Single Correct Answer)
+1
-0
$$ \text { } \begin{aligned} Let\,\,\,\Delta & =\left|\begin{array}{lll} A x & x^2 & 1 \\ B y & y^2 & 1 \\ C z & z^2 & 1 \end{array}\right| \text { and } \Delta_1 =\left|\begin{array}{ccc} A & B & C \\ x & y & z \\ z y & z x & x y \end{array}\right| \text {, then }\left|\begin{array}{ccc} A x & B y & C y \\ x^2 & y^2 & z^2 \\ 1 & 1 & 1 \end{array}\right| \end{aligned} $$
A
$\Delta_1=2 \Delta$
B
$\Delta_1=-\Delta$
C
$\Delta_1=\Delta$
D
$\Delta_1 \neq \Delta$
2
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The total number of terms in the expansion of $(x+a)^{47}-(x-a)^{47}$ after simplification is
A
96
B
48
C
47
D
24
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The function $f(x)=x^2+2 x-5$ is strictly increasing in the interval
A
$(-\infty,-1)$
B
$[-1, \infty)$
C
$(-\infty,-1]$
D
$(-1, \infty)$
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The shaded region in the figure is the solution set of the inequations KCET 2017 Mathematics - Linear Programming Question 2 English
A
$5 x+4 y \leq 20, x \leq 6, y \leq 3, x \geq 0, y \geq 0$
B
$5 x+4 y \geq 20, x \geq 6, y \leq 3, x \geq 0, y \geq 0$
C
$5 x+4 y \geq 20, x \leq 6, y \leq 3, x \geq 0, y \geq 0$
D
$5 x+4 y \geq 20, x \leq 6, y \geq 3, x \geq 0, y \geq 0$
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