Question

Find thr value of a for which polynomial 3x^3+14x^2+9x+a is a divisible by 3x+5​

Answer 1

Answer:

The value of a for which the polynomial  is divisible by  is -10

Step-by-step explanation:

Given the polynomial  is divisible by  

We know from Factors theorem , if  is a factor of the polynomial  then remainder will be  

So  

or  

So we have to find  

substituting   we get

 

or  

or  

or  

or  

or  

or  

or  

or  

The value of a for which the polynomial  is divisible by  is -10