Subject
Bank Exam
Topic
Southeast Bank Ltd. - Probationary Officer - 2016
If one root of the equation x2+ 3x - k = 0 is 2, what is the value of k ?
If one root of the equation x2+ 3x - k = 0 is 2, what is the value of k ?
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10খ)
12গ)
14ঘ)
16Explanation
Solution: x 2 + 3x - k = 0 এর একটি মান 2 হলে k এর মান কত ? দেওয়া আছে, x 2 + 3x - k = 0 যেহেতু, সমীকরণটির একটি মূল 2 তাই, x = 2 সমীকরণটির বসালে পাই । => 2 2 + ( 3 2) - k = 0 k = 4 + 6 = 10Related questions
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