Subject
Bank Exam
Topic
NRBC Bank Ltd - TAO 2021 [01.01.2021, BS, DU]
5a2- 4a - 3 - 3 ( a2+ a + 4 ) = 0 . What is the sum of the possible value of a ?
5a2- 4a - 3 - 3 ( a2+ a + 4 ) = 0 . What is the sum of the possible value of a ?
ক)
3খ)
3.5গ)
4ঘ)
4.5Explanation
দেয়া আছে, 5a 2 - 4a - 3 - 3 ( a 2 + a + 4 0 = 0 => 5a 2 - 4a - 3 - 3a 2 - 3a - 12 = 0 => 2a 2 - 7a - 15 = 0 এই সমীকরণে, a =2, b= -7 এবং c = -15 ∴ আমরা জানি, মূলদ্বয়ের সমষ্টি = -b/a = -(-7)/2 = 7/2 = 3.5Related questions
When 17 is divided by k, where k is a positive integer less than 17, the remainder is 3. What is the remainder when the sum of the possible values of it is divided by 17 ?নিচের কোনটি দ্বিগু সমাস ?বাংলা ভাষার সাধু ও চলিত রুপের মধ্যে তুলনামূলক গবেষণা করেন কে ?a, b and c are all positive integers such that a + b + c = 150 and none of these values are equal to each other . What is the smallest possible value for the median of a, b and c ?'জঙ্গম' এর বিপরীতার্থক শব্দ কোনটি ?Two sides of a triangle are 7 and 16. Which of the following is not the length of the third side ?'বুলবুলিতে ধান খেয়েছে' এই বাক্যের 'বুলবুলিতে' শব্দে কোন কারকে কোন বিভক্তি রয়েছে ?If the average ( arithmetic mean ) of five distinct positive integers is 10. what is the difference between the largest possible value of the greatest integer and the least possible value of the greatest of the five integers ?