0 reads0 ratings0 helpful
If (x=1) and (x=-2) are both zeros of (p(x)=x^3+ax^2+bx+6), what is (a-b)?
Advertisement
Answer and explanation
Correct answer: (4)
The conditions give (a+b=-7) and (4a-2b=2), so (a=-2), (b=-5), and (a-b=3). The correct value is (3).
Frequently asked questions
What is the correct answer to this question?
(4)
Why is this the correct answer?
The conditions give (a+b=-7) and (4a-2b=2), so (a=-2), (b=-5), and (a-b=3). The correct value is (3).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Polynomials in one variable.
Student feedback
Was this question useful?
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Difficulty
Easy0%
Medium0%
Hard0%
Was the explanation clear?
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
Advertisement