Social Sciences, asked by akray00gmailcom, 5 months ago

If A = 7i+2j-3k and B=i+j+2ck are perpendicular vectors, the value of c is

Answers

Answered by vinitverma251

4

Answer:

1.5

Explanation:

if two vector are perpendicular

A.B = 0

(7i + 2j-3k).(i + j +2ck)=0

=7 +2-6c=0

9 =6c

c=3/2

c =1.5

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