MCQ of Maths Class 9
The conjugate of 5+4i is:
-5+4i
-5-4i
5-4i
5+4i
If a, b, c are the three real numbers than the property a=b and b =c, a = c is called ……………….. .
Symmetric property
Reflexive property
Transitive property
None
Imaginary part of -1(3i+2) is:
-2
2
3
-3
log mn = ……………
(log m)n
mlogx
n log m
log(mn)
The logarithm of unity to any base is:
1
10
e
0
π (pi) is a
real
rational number
irrational number
integers number
(27x-1 )-2/3 =…………..
∛X2/9
√X2/9
∛X2/8
√X2/8
If a,b ∈R then only one of a =b or a b holds is called________:
Trichotomy property
transitive property
additive property
multiplicative property
The logarithm of any number it self as base is
1
0
-1
10
A number consist of a real part and imaginary parts is called ……………. number.
Real
Rational
Irrational
None of these
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