Subject
Bank Exam
Topic
Rajshahi Krishi Unnayan Bank - 2015 (SO)
If a-b=3 and a2+b2= Find the value of ab?
If a-b=3 and a2+b2= Find the value of ab?
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10খ)
12গ)
15ঘ)
18Explanation
a2+b2=29 => (a-b)2+2ab=29 => (3)2+2ab=29 => 2ab=20 => ab=10 (Ans.)Related questions
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