Question

$f(x) = 3x - 1$
x -4-3-2-1 0 1 2
y​

Answer 1

Answer:

Correct option is

A

x

3

−3x

2

+48x−12=0

The given equation is x

3

−

4

1

x

2

+

3

1

x−

144

1

=0

Multiplying the roots of the given equation by m, the transformed equation is

x

3

−

4

1

mx

2

+

3

1

m

2

x−

144

1

m

3

=0

⇒x

3

−

2

2

1

mx

2

+

3

1

m

2

x−

2

4

.3

2

1

m

3

=0

Clearly the least value of m to remove the fractional coefficient is m=2

2

.3=12

Therefore putting this, we get

x

3

−

2

2

1

(2

2

.3)x

2

+

3

1

(2

2

.3)

2

x−

2

4

.3

2

1

(2

2

.3)

3

=0

⇒x

3

−3x

2

+48x−12=0

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Answer 2

Answer:

5*2846+2-(3)90/+9437 6136/