Mathematics FA Part 1 Online Test With Answers

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Mathematics FA Part 1 Online Test

Sr. # Questions Answers Choice
1 Multiplicative inverse of -i is: i -i 1 -1
2 The multiplicative invers of a non-zero real number a is: 0 -a a
3 The additive inverse of a real number is a: 0 -a a
4 The identity element with respect to addition is: 0 1 -1 0 and 1
5 If z1 = 4i and z2 = 3 - 9i, then z1 + z2 = 3 - 5i 3i - 5 7 - 9i 3 + 5i
6 Every real number is also a/an: integer rational number irrationalnumber complexnumber
7 i2 + 1 = -1 0 i 1
8 Conjugate of -3 -2 i is: 3 + 2i -3 + 2i 2 + 3i -2 + 3i
9 Conjugate of a- i b is: b + ia -a + ib -a - ib a + ib
10 Conjugate of a + i b is: -a + ib a + ib -a - ib a - ib
11 Conjugate of complex number (-a, -b) is: (-a, b) (-a, -b) (a, -b) none of these
12 The ordered pairs (2, 5) and (5, 2) are: not equal equal disjoint empty
13 Product of a complex number and its conjugate is: a real number irrationalnumber a complexnumber either real number or complexnumber
14 The imaginary part of the complex number a + bi is: a b bi none of these
15 The real part of the complex number a + bi is: b -b a -a
16 real numbers complexnumbers primenumbers oddnumbers
17 archimedean property transitive property multiplicative property
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