Toán Lớp 7: H=|2x-3|-4 tìm GTNN
Leave a reply
Register Now
Login
Lost Password
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Toán Lớp 7: H=|2x-3|-4 tìm GTNN
Comments ( 2 )
Ta có:
|2x-3| ≥ 0
<=> |2x-3|-4 ≥ -4
<=> H ≥ -4
GTNN của H = -4 khi 2x−3=0⇔x=3/2