Discussion :: Decimal Fraction
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\(\frac {4.2 *4.2-1.9*1.9 } { 2 .3*6.1}\)is equal to:
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Answer : Option B
Explanation :
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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