1
JEE Main 2022 (Online) 26th July Evening Shift
Numerical
+4
-1
Out of Syllabus
Change Language

How many of the following drugs is/are example(s) of broad spectrum antibiotics?

Ofloxacin, Penicillin G, Terpineol, Salvarsan.

Your input ____
2
JEE Main 2022 (Online) 26th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The minimum value of the sum of the squares of the roots of $$x^{2}+(3-a) x+1=2 a$$ is:

A
4
B
5
C
6
D
8
3
JEE Main 2022 (Online) 26th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

If $$z=x+i y$$ satisfies $$|z|-2=0$$ and $$|z-i|-|z+5 i|=0$$, then :

A
$$x+2 y-4=0$$
B
$$x^{2}+y-4=0$$
C
$$x+2 y+4=0$$
D
$$x^{2}-y+3=0$$
4
JEE Main 2022 (Online) 26th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Let } A=\left[\begin{array}{l} 1 \\ 1 \\ 1 \end{array}\right] \text { and } B=\left[\begin{array}{ccc} 9^{2} & -10^{2} & 11^{2} \\ 12^{2} & 13^{2} & -14^{2} \\ -15^{2} & 16^{2} & 17^{2} \end{array}\right] \text {, then the value of } A^{\prime} B A \text { is: } $$

A
1224
B
1042
C
540
D
539
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