1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard IX
Mathematics
Factorisation of Quadratic Polynomials - Factor Theorem
Factorize the...
Question
Factorize the equation
a
2
+
b
2
−
c
2
−
d
2
+
2
a
b
−
2
c
d
A
(
a
+
b
+
c
+
d
)
(
a
+
b
+
c
−
d
)
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
(
a
+
b
−
c
+
d
)
(
a
c
−
d
)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
(
a
−
b
+
c
+
d
)
(
b
+
c
−
d
)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
(
a
+
b
+
c
−
d
)
(
a
+
b
+
c
−
d
)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
A
(
a
+
b
+
c
+
d
)
(
a
+
b
+
c
−
d
)
a
2
+
b
2
−
c
2
−
d
2
+
2
a
b
−
2
c
d
=
(
a
2
+
2
a
b
+
b
2
)
−
(
c
2
+
2
c
d
+
d
2
)
Using,
(
a
+
b
)
2
=
a
2
+
2
a
b
+
b
2
=
(
a
+
b
)
2
−
(
c
+
d
)
2
Using,
(
a
2
−
b
2
)
=
(
a
+
b
)
(
a
−
b
)
=
(
a
+
b
+
c
+
d
)
(
a
+
b
−
c
−
d
)
Suggest Corrections
0
Similar questions
Q.
Factorise
2
(
a
b
+
c
d
)
−
a
2
−
b
2
+
c
2
+
d
2
Q.
If the equations
a
2
+
b
2
x
2
-
2
a
c
+
b
d
x
+
c
2
+
d
2
=
0
has equal roots, then
(a) ab = cd
(b) ad = bc
(c)
a
d
=
b
c
(d)
a
b
=
c
d