1
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

$\log \left(\log _{a b} a+\frac{1}{\log _b a b}\right)$ is $($ where $a b \neq 1)$

A
0
B
1
C
$\log _a a b$
D
$\log _b a b$
2
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

If two different circles $x^2+y^2+2 a x+2 b y+1$ $=0$ and $x^2+y^2+2 b x+2 a y+1=0$ touches each other, then $(a+b)^2$ is equal to

A
1
B
2
C
3
D
4
3
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

6 couples decided to form a committee of four members, the number of different committees that can be formed in which no couple finds place is

A
240
B
20
C
16
D
360
4
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

The sum of the series $1 \cdot 2^2+2 \cdot 4^2+3 \cdot 6^2+\ldots$ upto 10 terms is

A
11300
B
12100
C
12300
D
11200
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