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

Q.

If A→=i^+j^+k^,B→=4i^+3j^+4k^  and  C→=i^+αj^+βk^ are linearly dependent vector and |C→|=3, then

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

α=1,β=−1

b

α=1,β=±1

c

α=−1,β=±1

d

α=±1,β=1

answer is D.

(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

Vector A→=i^+j^+k^,B→=4i^+3j^+4k^, And C→=i^+αj^+βk^ are linearly independent, if 1114341αβ=0 Operate C3→C3−C1;C2→C2−C1 we get, 1004−101α−1β−1=0⇒−(β−1)=0⇒β=1 Again, |C→|=1+α2+β2=3⇒1+α2+β2=3⇒1+α2+1=3∴α2=1⇒α=±1Hence α=±1,β=1
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

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