Sarthaks Test
0 votes
1.5k views
in Mathematics by (35.6k points)

Find the value of a such that (x – 4) is a factor of 5x3 − 7x2 − ax − 28.

1 Answer

0 votes
by (61.7k points)
selected by
 
Best answer

Let f(x) = 5x3 − 7x2 − ax − 28 be the given polynomial from factor theorem, if (x-4) is a factor of f(x) then f (4) = 0

 

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...