Do the same for 1, 3, 5, 7,…..19.

Find the equation of the plane passing through the points (-2, 3, 5), (7,-7,-5) and (-2, 5, -3).

Prove that the following sets are equivalent {1, 2, 3, 4, 5, 6.....}, (2, 4, 6, 8, 10,...) (1,3,5, 7, 9,...), {1, 4, 9, 16, 25...)

Find S_n for the series. 1.5 + 2.6 + 3.7 + …..

Find the distance of the point (3,-4,5)from the plane 2x+5y-6z-19=0 measured parallel to the line (x-1)/2=y/1=(z+3)/-2.

Find S_n for the series. 1.3^2+2.5^2+3.7^2+...

Find the equation of the line through the point (2, 3, 5) and parallel to the line (x - 3)/2 = (y + 1)/1 = (z + 7)/4 .