Subject
Govt.Jobs
Topic
সিকিউরিটি প্রিন্টিং কর্পোরেশন লি. সহকারি ব্যবস্থাপক (সাধারণ)-২৬.১১,২০২১
If one factor of 2a⁴ - 5a³ + 6a² - 5a + 2 is (a - 1), what is the other factor?
If one factor of 2a⁴ - 5a³ + 6a² - 5a + 2 is (a - 1), what is the other factor?
ক)
2a² - a + 2খ)
2a² - a - 2গ)
a - 2ঘ)
a² - 1Explanation
2a⁴ - 5a³ + 6a² - 5a + 2 =2a⁴ - 2a³-3a³+3a ²+3a ²-3a-2a+2 =2a³(a-1)-3a²(a-1)+3a(a-1)-2(a-1) =(a-1)(2a³-3a²+3a-2) =(a-1)(2a³-2a²-a²+a+2a-2) =(a-1){2a²(a-1)-a(a-1)+2(a-1)} =(a-1)(a-1)(2a²-a+2) অতেব,অপর উৎপাদকটি =(2a²-a+2)Related questions
One who has contempt for human nature, is known-Find the area of the triangle formed by the points located at (5, 2), (-9, -3) and (-3, -5).A mournful poem written on the death of someone loved and lost is.a is greater than b by 2 and b is greater than c by 10. If (a + b + c) = 130, then b+c-a = ?Everyone in the group shook hands with -25 percent of 30 is 75 percent of what number?A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is-What is the correct spelling of the following word?