Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

If a,b,c are three vectors such that a.b=a.c and a x b=a x c,and a not equal to 0,then show that b=c.
Asked by MANISHA MOHANTY | 23 Jan, 2015, 02:07: PM
answered-by-expert Expert Answer
rightwards arrow for a of. rightwards arrow for b of equals rightwards arrow for b of. rightwards arrow for c of rightwards double arrow rightwards arrow for a of. rightwards arrow for b of minus rightwards arrow for b of. rightwards arrow for c of equals 0 rightwards double arrow rightwards arrow for a of. open parentheses rightwards arrow for b of minus rightwards arrow for c of close parentheses equals 0 rightwards double arrow open vertical bar rightwards arrow for a of close vertical bar. open vertical bar rightwards arrow for b of minus rightwards arrow for c of close vertical bar. cos space theta equals 0 G i v e n open vertical bar rightwards arrow for a of close vertical bar not equal to 0 comma space open vertical bar rightwards arrow for b of minus rightwards arrow for c of close vertical bar equals 0 comma space cos space theta space not equal to space 0 space left square bracket sin c e space i t space w o u l d space m e a n space a. b equals b. c equals 0 right square bracket therefore open vertical bar rightwards arrow for b of minus rightwards arrow for c of close vertical bar equals 0 b equals c H e n c e space P r o v e d
Answered by Prasenjit Paul | 23 Jan, 2015, 06:03: PM
CBSE 12-science - Maths
Asked by sdmbotch1123 | 18 Jan, 2023, 11:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by mohdtayyab682 | 18 Jan, 2023, 10:34: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by durgaprasaddurgaprasad174 | 01 Jul, 2022, 05:05: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by sujaychandramouli | 24 May, 2022, 10:46: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by abhimeena1011 | 18 Jan, 2022, 10:43: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by gurupadam3101985 | 11 Apr, 2020, 10:06: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by lovemaan5500 | 07 Feb, 2020, 09:49: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by lovemaan5500 | 07 Feb, 2020, 09:49: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by lovemaan5500 | 16 Dec, 2019, 09:34: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×