16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

Verify that the numbers given alongside of the cubic polynomials below are their zeroes. Also, verify the relationship between the zeroes and coefficients in each case:
2x+ x–5x + 2; 1/2, 1,–2 

Let p(x) = 2x3+x2–5x + 2 Comparing the given polynomial with ax3 + bx

+ cx + d, we get
                    

16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

Now, 
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

                     
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

                           
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

                          

16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2


          
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

                    
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

and   
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

                  
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

∴   
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2
 are the zeroes of 
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

Hence, verified.Here, we have

16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2


Now,    
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

         
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

                            
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2

and       
16 find all the zeroes of the polynomial x4 x3 − 34x2 − 4x 120 if two of its zeroes are 2 and 2
    
                                   Hence verified.