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Maths CBSE Live product
Class 8 (2026-27)
We distribute yet things multiply
Problems using Identities
2.
TBQ - Find the value of the given square number
Question:
3
m.
Use the identity \((a-b)^2\) to find the values of \(22^2\).
Answer:
We can rewrite \(22^2\) as
30
−
i
i
.
By the identity,
a
−
b
2
=
i
i
−
i
i
i
+
i
i
.
Thus, \(22^2\) \(=\)
.
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