0 votes
110 views
in Polynomials by (45.2k points)
closed by

If ‘2’ is a zero of the polynomial P(x) = 4x2 – 3x + 5a then find the value of a.

1 Answer

+1 vote
by (44.6k points)
selected by
 
Best answer

Given polynomial P(x) = 4x2 – 3x + 5a 

the zero of the polynomial is ‘2’, we know that p(2) = 0 

P(x) = 0. 

4(2)2 – 3(2) + 5a = 0 

16 – 6 + 5a = 0 

5a = -10

a = -10/5 = -2

a = -2

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.

...