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Byju's Answer
Standard XII
Mathematics
Modulus of a Complex Number
Add a2/2+b3/...
Question
Add
a
2
2
+
b
3
3
−
c
3
4
;
2
a
2
3
+
3
b
3
4
−
4
c
3
5
;
a
2
+
b
3
+
c
3
A
13
6
a
+
25
12
b
3
−
1
20
c
3
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B
13
6
a
2
−
1
20
b
3
+
25
12
c
3
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C
13
6
a
2
+
25
12
b
3
−
1
20
c
3
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D
None
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Solution
The correct option is
B
13
6
a
2
+
25
12
b
3
−
1
20
c
3
(
a
2
2
+
b
3
3
−
c
3
4
)
+
(
2
a
2
3
+
3
b
3
4
−
4
c
3
5
)
+
(
a
2
+
b
3
+
c
3
)
=
a
2
(
1
2
+
2
3
+
1
)
+
b
3
(
1
3
+
3
4
+
1
)
+
c
3
(
−
1
4
−
4
5
+
1
)
=
13
6
a
2
+
25
12
b
3
−
1
20
c
3
Suggest Corrections
0
Similar questions
Q.
Find the sum of
a
2
2
+
b
3
3
−
c
3
4
;
2
a
2
3
+
3
b
3
4
−
4
c
3
5
and
a
2
+
b
3
+
c
3
.
Q.
Addition of
a
2
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+
b
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3
+
c
3
4
,
2
a
2
3
+
3
b
3
4
−
4
c
3
5
and
a
2
+
b
3
+
c
3
is
Q.
Find the sum of
(
a
2
+
b
3
−
c
4
)
;
(
2
a
3
+
3
b
4
−
4
c
5
)
and
(
a
+
b
+
c
)
?
Q.
Factorise
1
3
+
b
3
+
8
c
3
−
6
b
c
using the identity
a
3
+
b
3
+
c
3
−
3
a
b
c
=
1
2
(
a
+
b
+
c
)
[
(
a
−
b
)
2
+
(
b
−
c
)
2
+
(
c
−
a
)
2
]
Q.
If
a
+
b
+
c
=
1
;
a
2
+
b
2
+
c
2
=
2
;
a
3
+
b
3
+
c
3
=
3
, then
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