Subject
Bank Exam
Topic
Shajalal Islami Bank Ltd. - Trainee Senior Officer - 2016
If x - y = 2 and xy = 80, what is the value of x3- y3?
If x - y = 2 and xy = 80, what is the value of x3- y3?
ক)
520খ)
488গ)
380ঘ)
466Explanation
Solution: x 3 - y 3 = (x - y) 3 + 3xy (x - y) = 2 3 + 3 80 2 [x - y = 2 এবং xy = 80 বসিয়ে ] = 8 + 480 = 488Related questions
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