Question:The value of `((0.137 + 0.098)^2 - (0.137 - 0.098)^2)/(0.137 xx 0.098)`is :
A `4` B `0.25` C `.039` D `.235`
+ AnswerA
+ ExplanationGiven Exp , `= ((a + b)^2 - (a - b)^2)/(ab)` `=( 4ab)/(ab)` `= 4`.
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