some dbts

Q1 graph of x2+y2=0 in 3D is ??

Q2 Locus of xy+yz=0 in 3D is ???

14 Answers

156
Rajiv Agarwal ·

1) Straight line given by z axis...

2) two planes one given by y=0 and another plane given by x+y=0

(Btw its Nishant here from rajiv's ID :P)

3
msp ·

lolzzz but yy,have u lost ur id sir lolzz

156
Rajiv Agarwal ·

lol.. no but i am at rajiv's place and am replying from his id.. he is logged in and I am lazy to log him off and log myself in :P :D

24
eureka123 ·

ya answers are rite as gven by rajiv id(or nishant sir ) [3]

but why 1) doesnt represent point circle ??

and in 2) did u mean y=0 and x+z=0 ??

24
eureka123 ·

oops,,,,yeah
thx..it was a silly doubt .....or the worst dbt of yr [3][9]

1
xYz ·

well what can be graph of............ z2=x2 +y2 (pythogorean triplets)

1
xYz ·

wont it be lik dis ????? (plz som1 verify)
two cones with corners at origin and height coinciding with z axis

cone is hollow

21
eragon24 _Retired ·

yes u r i guess [1]

21
eragon24 _Retired ·

will be like this........from microsoft maths

1
xYz ·

its isnt like a cone !!!!!!!!!!
well see from other angle

u have a full version.i have to download after every ten days :(

24
eureka123 ·

hey guys why are u all using softwares??????????

21
eragon24 _Retired ·

why not use it if it helps[6]......as far as im concern i rarely use it....i used it here bec i cant make those 3d diagrams....and it also looks quiet neat than those handmade graphs[3]

24
eureka123 ·

its ok then....

24
eureka123 ·

anyways i liked ur hand made pic more....it showcased ur drawing skills[1][1]

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