MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

The equations of z-axis in canonical form are .

50% studentsanswered this correctly

Important Questions on Straight Line in Three Dimensions

HARD
12th West Bengal Board
IMPORTANT
The equation of x-axis is xp=y0=z0, then value of p is _____.
HARD
12th West Bengal Board
IMPORTANT
The equation of z-axis is x0=y0=zp, then the value of p is _____.
MEDIUM
12th West Bengal Board
IMPORTANT
If the sum of d.c.s. of the line through the points (2, 5, 4) and (1, 4, 3) is -a, then the value of a is _____
MEDIUM
12th West Bengal Board
IMPORTANT
The d.c.s. of the line parallel to the line x-51=y-33=z+1-3 are of the form ofa19,b19,c19 then a+b+c= _____.
HARD
12th West Bengal Board
IMPORTANT
The angle between two straight lines with direction ratios 2, 1, 2 and 4, 8, 1 is cos-12aa=_____.
EASY
12th West Bengal Board
IMPORTANT
The value of k so that the straight lines x-3=y2k=z2 and x3k=y1=z-5 are perpendicular to each other is _____ .
EASY
12th West Bengal Board
IMPORTANT

The equations of a straight line passing through (1, 2, 3) and parallel to xy-plane in cartesian form is _____.

EASY
12th West Bengal Board
IMPORTANT

The equations of a straight line passing through (1, 2, 3) and

parallel to yz-plane are _____ .