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BARC EE : Engineering Mathematics Quiz-2
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Question 1
If a vector
is solenoidal then A is:
![](https://gradeup-question-images.grdp.co/liveData/PROJ82828/1626157674012971.png)
Question 2
The principal argument of the complex number
is
![](https://gradeup-question-images.grdp.co/equations/1574055319975.png)
Question 3
Consider a surface (S) which is function of x, y and z given as
its normal vector at (1, 1, 1) is
![](https://gradeup-question-images.grdp.co/liveData/PROJ56361/1602833600877514.png)
Question 4
The function f(x) =
has
![](https://gradeup-question-images.grdp.co/liveData/PROJ54848/1604988010445214.png)
Question 5
When the correlation coefficient r = ±1, then two regression lines are
Question 6
The lowest Eigen value of the 2 × 2 matrix
is
![](https://gradeup-question-images.grdp.co/liveData/PROJ79059/1621401018346336.png)
Question 7
If probability that husband will be alive 20 years form no = 0.8 and probability that wife will be alive 28 years from now = 0.9, then at least one will be alive after 20 years is:
Question 8
Value of 2A10 – 18A9 + 40A8 – 25A7 + 9A6 – 20A5 + 13A4 – 9A3 + 20A2 – 10A is _________, if
.
![](https://gradeup-question-images.grdp.co/liveData/PROJ82827/1626152377903367.png)
Question 9
When Binomial distribution is used in a limiting form is i.e., (n → ∞)
Question 10
The solution of initial value problem;
, where u(x, 0) = 6e–3x is
![](https://gradeup-question-images.grdp.co/liveData/PROJ79059/162140100208512.png)
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Jan 27ESE & GATE EE