Find the value of (100^2 – 99^2).
A1
B199
C200
D19900
Explanation
Using identity a^2 – b^2 = (a – b)(a + b): (100 – 99)(100 + 99) = 1 * 199 = 199.
Exam Relevance
- Topic: Algebra
- Subtopic: Identities
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