Question:`(y-a-b)(1/b+1/a)=0`সমীকরণে`y`কত?
A `1/b+1/a` B `ab/a+b` C `-(a+b)` D `(a+b)`
+ AnswerD
+ Explanationব্যাখ্যা: `(y-a-b)(1/b+1/a)=0`বা, `y-a-b=0 :. y=a+b`
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