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Maths CBSE Live product
Class 8 (2026-27)
We distribute yet things multiply
Problems using Identities
8.
TBQ - Evaluate the product
Question:
3
m.
Compute these products using the suggested identity.
\(495 × 505\) using the identity for \((a + b)(a - b)\)
Answer:
\((a - b)(a + b)\) \(=\)
i
i
−
i
i
Rewrite the product as
500
−
i
i
+
i
.
\(495 × 505\) \(=\)
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