In the problems, determine whether the given planes are parallel or...

In the problems, determine whether the given planes are parallel or...

In the problems, determine whether the given planes are parallel or perpendicular, and in case they are neither, find the (acute) angle between them : \( 2 x-y+4 z=5 \) and \( 5 x-2.5 y+10 z=6 \) 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live