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MTH301 Quiz No.1 Shared by Mairaj Shariff

Question # 1 of 10 ( Start time: 04:22:47 PM ) Total Marks: 1
 To determine a point in plane (in 2 dimension) how many axis are required
Select correct option:
1
2
3
none



Question # 2 of 10 ( Start time: 04:24:21 PM ) Total Marks: 1
Domain of the following function f(x)x+2)/[(x-2)(x-8)] is
Select correct option:
All real numbers with x greater than 2
All real numbers with x greater than 8
All real numbers with x less than 2
None of these


Question # 3 of 10 ( Start time: 04:25:50 PM ) Total Marks: 1
Range of the function f(x, y) = sqrt ( x^2 + y^2 + z^2) is
Select correct option:
( -infinity, + infinity)
(-infinity, 0)
[0, + infinity)
(0, + infinity)


Question # 4 of 10 ( Start time: 04:27:23 PM ) Total Marks: 1
The function f(x, y, z) = (x^2 + yz ) / ( xy+ z) is discontinuous when
Select correct option:
x^2 + yz = 0
xy + z = 0
x+ y +z = 0
xy > z


Question # 5 of 10 ( Start time: 04:28:13 PM ) Total Marks: 1
In rectangular coordinate system the point (-2,-2) is in
Select correct option:
first quadrant
second quadrant
third quadrant
fourth quadrant


Question # 6 of 10 ( Start time: 04:29:39 PM ) Total Marks: 1
The number square root of 2 is
Select correct option:
rational
irrational


Question # 7 of 10 ( Start time: 04:30:59 PM ) Total Marks: 1
For which of the following values of “x”, the partial derivative of “z=2/y(x-1)” exists?
Select correct option:
R
R-{1}
R-{0}
R-{1,0}


Question # 8 of 10 ( Start time: 04:32:17 PM ) Total Marks: 1
Partial derivative of f(x, y) = 2x^2y + 3y^3 with respect to x is
Select correct option:
2x^2 + 9y^2
4xy + 9y^2
4xy
4xy + 3y^3


Question # 9 of 10 ( Start time: 04:32:52 PM ) Total Marks: 1
In space, the intersection of “z= Sinxy” and “y=a” gives a/an --------.
Select correct option:
plane
straight line
another surface
a Sine curve


Question # 10 of 10 ( Start time: 04:33:49 PM ) Total Marks: 1
Domain of the following function is f(x, y, z) = zlnxy
Select correct option:
All real numbers with z greater than 0
All real numbers with xy greater than 0
All real numbers with xy not equal to zero   KKK
All real numbers

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