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ISRO EXAM 2017 : Engineering Mathematics Quiz- 22
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Question 1
The modulus of 1+ cos 
+ i sin 
is
+ i sin is Question 2
The differential equation satisfying y = Ae3x + Be2x is
Question 3
is a function
Question 4
The value of 
is
is Question 5
If Ф(x,y,z) is a scalar function and if ∇2f = 0 , then Ф is
Question 6
A husband and wife appear in an interview for two vacancies for same post. The probability of husband getting selected is 1/5 while the probability of wife getting selected is 1/7. Then the probability that at least one of them getting selected is
Question 7
There are 20 locks and 20 matching keys. Maximum number of trials required to match all the locks is
Question 8
The value of curl of the vector v= (xyz)
+ 3x2y)
+ (xz2 – y2z)
at the point(2,-1,1) is
+ 3x2y) + (xz2 – y2z) at the point(2,-1,1) is Question 9
The Algebraic multiplicity of the matrix A =
is
is Question 10
The root of the function 
obtained after first iteration on application of Newton-Raphson scheme using an initial guess of 
is
obtained after first iteration on application of Newton-Raphson scheme using an initial guess of is - 543 attempts
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