Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
2.0k views
in Mathematics by (33.0k points)

If 1 is a zero of the quadratic polynomial ax2 – 3(a – 1)x – 1 is 1, then find the value of a.

1 Answer

0 votes
by (60.2k points)
selected by
 
Best answer

Given: x = 1 is one zero of the polynomial ax2 – 3(a – 1) x – 1 

Therefore, it will satisfy the above polynomial. 

Now, we have 

a(1)2 – (a – 1)1 – 1 = 0 

⇒ a – 3a + 3 – 1 = 0 

⇒ –2a = – 2 

⇒ a = 1 

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

...