Q.
If a variable plane, at a distance of 3 units from the origin, intersects the coordinate axes at A, B and C, then the locus of the centroid of ΔABC is
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
1x2+1y2+1z2=1
b
1x2+1y2+1z2=3
c
1x2+1y2+1z2=19
d
1x2+1y2+1z2=9
answer is A.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
A(a,0,0)B(0,b,0)C(0,0,c)⇒Gx1,y1,z1=a3,b3,c3Equation of the plane is xa+yb+zc=1; x3x1+y3y1+z3z1=1P=|d|a2+b2+c2,3=119x12+19y12+19z12
Watch 3-min video & get full concept clarity