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Amitesh Kumar
Subject: Maths
, asked on 14/4/18
If
z
=
3
+
i
2
,
then
z
101
+
i
103
105
is equal to:
(1)
z
(2)
z
2
(3)
z
3
(4) None of these
Answer
1
Steve
Subject: Maths
, asked on 9/4/18
write in a+ib form √-4(√-9 + 3)+√-49(i
3
+√3)-√-36(2-√-121)+√5i
5
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 7/4/18
Pls fast:
Example 29. The domain of the function.
f
x
=
sin
-
1
sin
x
-
cos
-
1
cos
x
i
n
0
,
2
π
i
s
.
a
0
,
π
2
∪
3
π
2
,
2
π
b
π
,
2
π
c
0
,
π
π
2
d
0
,
2
π
-
π
2
,
3
π
2
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 7/4/18
Solve this inequality
4
x
x
2
+
3
≥
1
.
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 7/4/18
Solve the inequality
Q.
x
-
2
x
+
2
>
2
x
-
3
4
x
-
1
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 30/3/18
Plz fast
Q 10. If a (p+q)
2
+2bpq+c=0 and a(p+r)
2
+2bpr+c=0, then qr is equal to
a
p
2
+
c
a
b
p
2
+
a
c
c
p
2
+
a
b
d
p
2
+
b
a
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 30/3/18
Q.no 10 plz fast
Q.10. Let p, q
∈
{1, 2, 3, 4}. The number of equations of the form
p
x
2
+
q
x
+
1
=
0
having real roots, is
(a) 15
(b) 9
(c) 8
(d) 7
Answer
1
Dharmveer Gautam
Subject: Maths
, asked on 28/3/18
Q. Find the modulus and the arguments of each of the complex number exercises 1 to 2.
1
.
z
=
-
1
-
i
3
2
.
z
=
3
+
i
Answer
1
Dharmveer Gautam
Subject: Maths
, asked on 28/3/18
Solve each of the following equations:
Q.9.
x
2
+
x
+
1
2
=
0
Answer
2
Dharmveer Gautam
Subject: Maths
, asked on 28/3/18
Q). Find the modulus and the arguments of each of the complex numbers.
2.
z
=
-
3
+
1
Answer
2
Hermoine
Subject: Maths
, asked on 20/3/18
Please help q 18
Answer
1
Manju Manikandan
Subject: Maths
, asked on 13/3/18
If z1 =1-i and z2=-2+4i find z1z2/z1.there is a bar over z1
Answer
1
Shivam
Subject: Maths
, asked on 12/3/18
Q
.
Z
=
1
+
cos
θ
+
i
sin
θ
,
π
<
0
<
2
π
,
Find
out
:
-
Modulus
Argument
Convert in polar form.
Answer
1
Shivam
Subject: Maths
, asked on 12/3/18
z=(1+cos theta)+isin theta, ?
Answer
1
Monish Preetam
Subject: Maths
, asked on 12/3/18
Find the polar form of: -4+i4√3
Answer
1
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What are you looking for?
(1) z (2) z2 (3) z3 (4) None of these
Example 29. The domain of the function.
Q.
Q 10. If a (p+q)2+2bpq+c=0 and a(p+r)2+2bpr+c=0, then qr is equal to
Q.10. Let p, q {1, 2, 3, 4}. The number of equations of the form having real roots, is
(a) 15
(b) 9
(c) 8
(d) 7
Q.9.
2.