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Subjects
Mathematics State Board
Class 7
Algebra
Introduction to Identities
7.
Calculate the product
Exercise condition:
4
m.
Simplify the following using the identity
(
a
+
b
)(
a
−
b
)=
a
2
–
b
2
i)
51
\(×\)
49
\(=\)
ii)
24
\(×\)
18
\(=\)
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