2. Factorize:
(a) 16x2 - y^2
Answers
Answered by
0
Answer:
Rewrite
16
x
2
as
(
4
x
)
2
.
(
4
x
)
2
−
y
2
Since both terms are perfect squares, factor using the difference of squares formula,
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
where
a
=
4
x
and
b
=
y
.
(
4
x
+
y
)
(
4
x
−
y
)
Answered by
1
Answer:
16 x^2 - y^2
(4x)^2 -( y)^2
using identity a^2 - b^2 = (a+ b)( a - b)
(4x + y )( 4x - y)
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