factorise the following by using identities: (1) (a+b)^2-c^2
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factorise the following by using identities: (1) (a+b)^2-c^2
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Answer:
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
where
a
=
a
−
b
and
b
=
c
.
(
a
−
b
+
c
)
(
a
−
b
−
c
)
Step-by-step explanation:
Step-by-step explanation:
that inmplies a^2+b^2-c^2-2ab