Home
Class 12
MATHS
31.If the angle between the lines whose ...

31.If the angle between the lines whose direction ratios are 2,-1,2 and a,3,5 be `45^@`, then a =(A) 1(B) 2(C) 3(D) 4

Promotional Banner

Similar Questions

Explore conceptually related problems

Find the angle between the lines whose direction ratios are 2, 1, -2 and 3, -4, 5.

Find the angle between the lines whose direction ratios are: 2,-3,4 and 1,2,1 .

Find the angle between the lines, whose direction ratios are 2,3,6 and 1,2,2.

Find the angles between the lines whose direction ratios are 3,2,-6 and 1,2,2.

Find the angle between the lines whose direction ratios are 2, 3, 6 and 1, 2, 2

Find the angle between the lines whose direction ratios are 5, -12, 13 and -3, 4, 5

Find the angles between the line whose direction ratios are 4, -3, 5 and 3, 4, 5 .

If the angle between the lines with direction ratios a, 3, 5 and 2, -1, 2 is 45^(@) , then a =