Question
. \(\frac{4.2\times4.2-1.9\times1.9}{2.3\times6.1}\)is equal to:
Answer: Option B
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Given Expression = \(\frac{(a^{2}-b^{2})}{(a+b)(a-b)} = \frac{(a^{2}-b^{2})}{(a^{2}-b^{2})} = 1\)
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