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Determinant Quiz-20

As per analysis for previous years, it has been observed that students preparing for JEE MAINS find Mathematics out of all the sections to be complex to handle and the majority of them are not able to comprehend the reason behind it. This problem arises especially because these aspirants appearing for the examination are more inclined to have a keen interest in Mathematics due to their ENGINEERING background.

Furthermore, sections such as Mathematics are dominantly based on theories, laws, numerical in comparison to a section of Engineering which is more of fact-based, Physics, and includes substantial explanations. By using the table given below, you easily and directly access to the topics and respective links of MCQs. Moreover, to make learning smooth and efficient, all the questions come with their supportive solutions to make utilization of time even more productive. Students will be covered for all their studies as the topics are available from basics to even the most advanced.

Q1.
•  0
• -1
•  1
•  2
Solution
Q2.
•  Only(1)
•  Only(2)
•  Only(3)
•  None of these
Solution
(d) All statements are false
Q3.
•  3, 3, 5
•  1, 3, 5
•  1, 7
•  2, 7
Solution
Q4. If A is a square matrix of order n such that its elements are polynomial in x and its r-rows become identical for x=k then

•  (x-k)r is a factor of |A|
•  (x-k)r-1 is a factor of |A|
•  (x-k)r+1 is a factor of |A|
•  (x-k)r is a factor of A
Solution
Q5.
•  2(10!11!)
•  2(10!13!)
•  2(10!11!12!)
•  2(11!12!13!)
Solution
Q6.
•  1
•  2
•  3
•  4
Solution
Q7.

•  zero
•  1
•  i
•  Ï‰
Solution 7
Q8.

•  AP
•  HP
•  GP
•  None of these
Solution
Q9.
•  (ab+bc+ca)/abc
•  ab+bc+ca
•  0
•  a+b+c
Solution
Q10.
•  1
•  2a1a2a3b1b2b3
•  0
•  a1a2a3b1b2b3
Solution

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