Subject
Bank Exam
Topic
Social Islami Bank Ltd. - Probationary Officer - 2017
For what value of x between -4 and 4, inclusive, is the value of x2- 10x + 16 the greatest ?
For what value of x between -4 and 4, inclusive, is the value of x2- 10x + 16 the greatest ?
ক)
- 4খ)
-2গ)
0ঘ)
2Explanation
Solution: প্রশ্নে বলা হচ্ছে যে, -4 থেকে 4 এর মধ্যে x এর কোন মানের জন্য ( x 2 - 10x + 16) এর মান সর্বোচ্চ কত হবে ? দেয়া আছে, x 2 - 10x + 16 => x 2 - 8x - 2x + 16 => x (x - 8) - 2 (x - 8) => (x - 8) (x - 2) এখন -4 থেকে 4 এর মধ্যে x এর কয়েকটি মান প্রদত্ত রাশিতে বসিয়ে পাই, অপশন হতে x এর মান x = -4 x = -2 x = 0 x = 2 x = 4 (x - 8) (x - 2) ( -4 -8) x ( -4 -2) = 72 40 16 0 -8Related questions
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