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Maths CBSE Live product
Class 8
We Distribute, Yet Things Multiply
PT3 Revision I - We Distribute, Yet Things Multiply
2.
Copy of Find the product using the identity
Question:
2
m.
The product
62
\(\times\)
74
is expanded in the form
a
+
m
b
−
n
as
60
+
i
80
−
i
.
We know that,
(a + m)(b - n) = ab - mb - an - mn
(a + m)(b - n) = ab + mb - an - mn
(a + m)(b - n) = ab + mb - an + mn
(a + m)(b - n) = ab + mb + an - mn
.
The value of the product is
.
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