Home
Class 12
MATHS
The line segment joining the points A,B ...

The line segment joining the points A,B makes projection `1,4,3 on x,y,z` axes respectively then the direction cosiners of AB are (A) 1,4,3 (B) `1/sqrt(26),4/sqrt(26),3/sqrt(26)` (C) `(-1)/sqrt(26, 4/sqrt(26),3/sqrt(26)` (D) `1/sqrt(26),(-4)/sqrt(26),3/(sqrt(26)`

Promotional Banner

Similar Questions

Explore conceptually related problems

sqrt(26)xxsqrt(6.24)xxsqrt(102)=?

(1)/(sqrt(2)+sqrt(3))+(1)/(sqrt(3)+sqrt(4))

The value of |{:(sqrt(13 )+ sqrt(3), 2sqrt(5),sqrt(5)),(sqrt(15) + sqrt(26),5,sqrt(10)),(3 + sqrt(65), sqrt(15),5):}|

sqrt((4)/(3))-sqrt((3)/(4))=?(4sqrt(3))/(6) (b) (1)/(2sqrt(3))(c)1(d)-(1)/(2sqrt(3))

The angle between the lines whose direction cosines are (sqrt3/4,1/4,sqrt3/2) and (sqrt3/4,1/4,(-sqrt3)/2) is

Find the angle between the lines whose direction cosines are (-(sqrt3)/(4), (1)/(4), -(sqrt3)/(2)) and (-(sqrt3)/(4), (1)/(4), (sqrt3)/(2)) .

3+ 1/(sqrt(4)+sqrt(5))+1/(sqrt(5)+sqrt(6))+1/(sqrt(6)+sqrt(7))+1/(sqrt(7)+sqrt(8))+1/(sqrt(8)+sqrt(9))= a)4 b)3 c)2 d) 3-sqrt(8)

Evaluate : 1/( 1 + sqrt (2) ) + 1/( sqrt(2) + sqrt (3) ) + 1/ ( sqrt(3) + sqrt (4) )