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Maths CBSE Live product
Class 8
We Distribute, Yet Things Multiply
Problems using identities
6.
TBQ - Evaluate the product
Question:
3
m.
Compute these products using the suggested identity.
\(493 × 507\) using the identity for \((a + b)(a - b)\)
Answer:
\((a - b)(a + b)\) \(=\)
i
i
−
i
i
Rewrite the product as
500
−
i
500
+
i
.
\(493 × 507\) \(=\)
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