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
75 views
in Algebra by (237k points)
closed by
If a3 + 4a2 + 16a = 192, then what is the value of a3 + 8/a ?
1. 65
2. 63
3. 68
4. 66

1 Answer

0 votes
by (239k points)
selected by
 
Best answer
Correct Answer - Option 4 : 66

Given:

a3 + 4a2 + 16a = 192

Calculations:

a3 + 4a2 + 16a = 192

When a = 4

L.H.S = 64 + 64 + 64 = 192

L.H.S. = R.H.S.

So, a3 + 8/a = 43 + 8/4 = 64 + 2 = 66

∴ The value of a3 + 8/a is 66.

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.

...