Which of the following statement are true? Give reasons for your answers, either with a short proof or counterexample. 1.Given any two conics C1 and C2, atleast one element of R×R will belong to C1∩C2. 2.1/√2,1/√3,1/√5form direction cosines of a line.
1 Answer
Jan 17, 2018
See below.
Explanation:
1) Is false because the sphere is a particular conicoid and two spheres whose centers are apart more than the sum of their radius does not intersect.
2) Is false because