Question

the angle between the lines r=(i+2j-3k) +A(3i+2j+6k) and r=(5i-2j+7k) +B(i+2j+2k) is​

Answer 1

the length of of rectangle if the length of of rectangle if its perimeter is is 880 metre and breadth is 200 mthe length of of rectangle if its perimeter is is 880 metre and breadth is 200 mthe length of of rectangle if its perimeter is is 880 metre and breadth is 200 mthe length of of rectangle if its perimeter is is 880 metre and breadth is 200 m