Question
Evaluate:
(2.39)2 - (1.61)2 2.39 - 1.61
Answer: Option B
- Given Expression = a2 - b2 = (a + b)(a - b) = (a + b) = (2.39 + 1.61) = 4. a - b (a - b)
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- Given Expression = a2 - b2 = (a + b)(a - b) = (a + b) = (2.39 + 1.61) = 4. a - b (a - b)
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