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04.07.2021 •
Mathematics
When x^2 - 3x +2k is divided by x+2, the remainder is 7. find the value of k.
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Ответ:
let's find the zeros of the divisor
x+2=0
x=-2
let x²-3x+2k =f(x)
Now f(-2)=(-2)²-3(-2)+2k=7
4+6+2k=7
2k=7-10
2k=-3
k=-3/2
Ответ:
46
Step-by-step explanation:
6+5*8
6+(5*8)
6+40
46