Saved Bookmarks
| 1. |
Check if 1and 3are the zeros of the polynomial x³-6x²+11x6 |
|
Answer» Answer: Step-by-step explanation: IN A SIMPLE WAY WE WILL JUST SUBSTITUTE THE VALUE OF X WITH 3 ONE TIME AND 1 ONE TIME . IF THE ANSWERS COMES ZERO THEN ITS AN ZERO OF THE POLYNOMIAL OTHERWISE ITS NOT A ZERO OF THE POLYNOMIAL ; f(x)=x^3 - 6x^2+11x+6 f(x)=3^3 - 6(3^2)+11(3)+6 f(3)=27 - 6(9) + 33+6 f(3)= 27 - 54 +39 f(3)= -27 + 39 f(3) = 12 [AS, THE RESULT IS NOT ZERO ITS NOT A ZERO OF THE POLYNOMIAL ] f(x)= x^3 - 6x^2+11x+6 f(-1) = 1^3 - 6(1^2)+11(1)+6 f(-1) = 1 - 6(1) +11 +6 f(-1) = 1 - 6 + 17 f(-1) = -5+17 f(-1) = 12 [AS, THE RESULT IS NOT ZERO ITS NOT A ZERO OF THE POLYNOMIAL ]
|
|