Question

9.The quotient if the polynomial 9x⁴ -4x² + 4 is divided by 3x² + x -1 is 
a) 3x² - x + 1
b) 3x³ - x
c) 3x² - x
d) 3x + 2​

Answer 1

Answer:

( d)

Step-by-step explanation:

By the help of long division method

3x

2

+x−1)9x

4

−4x

2

+5(3x

2

−x

−9x

4

+3x

2

−3x

3

−−−−−−−−−−

−3x

3

−x

2

+4

+3x

2

+x

2

−4

−−−−−−−−−−

−x+4

Now,

ax−b=−x+4

So, A=−1 and b=−4

which is the required answer.