Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Let a=2i+λ1j+3k, b=4i+(3-λ2)j+6k and c=3i^+6j^+(λ3-1)k^ be three vectors such that b=2a and a is perpendicular to c Then a possible value of λ1, λ2,λ3 is :

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

(1, 5, 1)

b

12,4,-2

c

-12,4,0

d

(1, 3, 1) 

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

b=2a    4i+(3-λ2)j+6k=4i+2λ1j+6k 2λ1=3-λ2      2λ1+λ2=3   -(1) a.c=0      6+6λ1+3λ2-3=0                    6λ1+3λ3+3=0                    2λ1+λ3+1=0   -(2)     option vertification 

Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring