Question

Prove that on dividing the polynomial 4x3 +3x2 + 2x - 9 by X-1 the remainder is
zero​

Answer 1

4x3+3x2+

2x-9 by x-1

Here your answer

4x3into 3+3=6x-2=4x-2=o

Answer 2

Given :-

4x³ + 3x² + 2x - 9

To Find :-

When it will be divided x - 1 remainder is 0

Solution :-

x - 1 = 0

x = 1

Putting x as 1

0 = 4(1)³ + 3(1)² + 2(1) - 9

0 = 4(1) + 3(1) + 2 - 9

0 = 4 + 3 + 2 - 9

0 = 9 - 9

0 = 0

Hence, Proved