Questions
If the angles made by the normal of the plane with the coordinates axes X, Y, Z are , then respectively are
a
229,329,429
b
229,−329,429
c
229,329,−429
d
12,13,−14
detailed solution
Correct option is C
The d.r’s of normal of the plane 2x+3y−4z−16=0 are 2,3,−4 and the d.c’s are 229,329,−429∴cosα=229,cosβ=329,cosγ=−429Where α,β,γ are the angle made by the normal with X, Y, Z axes respectiely.∴α=Cos−1229,β=Cos−1329γ=Cos−1−429 ∴k1,k2,k3 values are 229,329,−429 respectivelyTalk to our academic expert!
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The equation of a plane which passes through the point of intersection of lines and and at greatest distance from point (0,0,0) is
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