K
Khách
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Các câu hỏi dưới đây có thể giống với câu hỏi trên
LN
3
HELP ME TUI ĐANG CẦN GẤP !!!
17 tháng 5 2022
a: \(P\left(x\right)=M\left(x\right)+N\left(x\right)=x^2+2\)
\(Q\left(x\right)=M\left(x\right)-N\left(x\right)=6x^4-4x^3+x^2+6x-4\)
b: \(Q\left(-1\right)=6-4\cdot\left(-1\right)+1+6\cdot\left(-1\right)-4\)
=6+4+1-6-4=1
c: Vì \(x^2+2>0\)
nên P(x) không có nghiệm
TN
1
NT
2
27 tháng 12 2018
24 - 16(x - 1/2) = 23
=> 16(x - 1/2) = 24 - 23
=> 16(x - 1/2) = 1
=> x - 1/2 = 1/16
=> x = 1/16 + 1/2
=> x = 9/16
27 tháng 12 2018
\(24-16(x-\frac{1}{2})=23\)
\(16(x-\frac{1}{2})=24-23\)
\(16(x-\frac{1}{2})=1\)
\(x-\frac{1}{2}=\frac{1}{16}\)
\(x=\frac{1}{16}+\frac{1}{2}\)
\(x=\frac{9}{16}\)
Vậy số thực x cần tìm là \(\frac{9}{16}\)
Chúc bạn hok tốt ~
PH
0
4 tháng 6 2021
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