Using factor theorem, show that 2x + 1 is a factor of 2x³ + 3x² - 11x - 6
Answers
Answered by
5
Answer:
Now, 2x+1=0
⇒x=-1/2
f(x)=2x³+3x²-11x-6
⇒f(-1/2)=2(-1/2)³+3(-1/2)²-11(-1/2)-6
=2(-1/8)+3(1/4)+(11/2)-6
=(-1/4)+(3/4)+(11/2)-6
=(-1+3+22-24)÷4
=0/4
=0
Step-by-step explanation:
please mark me brainliest and follow me
Similar questions
Computer Science,
4 months ago
English,
4 months ago
Math,
4 months ago
English,
8 months ago
Computer Science,
11 months ago
Math,
11 months ago
History,
11 months ago