Subject
Quantitative Aptitude
Topic
Solution
2/(a-b) – 5/(b-a)=
2/(a-b) – 5/(b-a)=
ক)
-10/(2ab-a^2-b^2)খ)
-3/(a-5)গ)
-7/(a-b)ঘ)
-7/(b-a)Explanation
2/(a-b) – 5/(b-a) = {2/ (-1)(b-a)} - 5/(b-a) = -2/(a-b) – 5/(b-a) = -7/(b-a) Alternatively, the answer could have been, "7/(a-b)", but there were no option "7/(a-b)"Related questions
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