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Maths CBSE Live product
Class 8 (2025-26)
We Distribute, Yet Things Multiply
PT3 Revision I - We Distribute, Yet Things Multiply
1.
Calculate the rise in product
Question:
3
m.
1. Find the product of
28
\(\times\)
33
.
Answe
r:
2. Find the increase in product for the same if the second number is increased by
\(1\)
without actually multiplying it
.
The distributive property used is
a(b + 1) = ab + b
(a + 1)b = ab +b
a(b + 1) = ab + a
.
So, the increase is given by
b
a
\(=\)
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