Recent content by yxj

thank you so much.. it's much clearer now xD

erm.. thah means.. if they were to ask cartesian form of equation of plane should i write a) (x,y,z).(A,B,C)=D aka r.(A,B,C,)=D b) Ax+By+Cz=D

and cartesian form would be (x,y,z).(#,#,#)=# or Ax+By+Cz=D

Just wanted to confirm. Cartesian scalar equation of plane refers to equation of plane right? As in Ax+By+Cz=D. which i think is the vector equation of a plane. I'm getting confused and need clarification thank you edit= ok sorry.. i think i got it figured out =p scalar is there because...

1) Hi just checking if the definition of grain size is the average size of grains in a metal expressed as average diameter. if it is not or if there is a more accurate definition could u define it for me. 2) and if the formula N=2n-1 or is it N=2^(n-1) n being the number of grains per square...