anaroles04
09.11.2020 •
Mathematics
7) If x-2 is a factor of P(x)= x^2-5x+a then find the value of a
2
3
4
6
please answer
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Ответ:
a = 6
Step-by-step explanation:
Given that (x - 2) is a factor of P(x) , then P(2) = 0 , that is
P(2) = 2² - 5(2) + a = 0 , so
4 - 10 + a = 0
- 6 + a = 0 ( add 6 to both sides )
a = 6
Ответ: