If 3i^+4j^=R, Then is R=5 units by Pythagoras theorem?

Asked by arkabanerjee | 12th Nov, 2010, 12:00: AM

Expert Answer:

let a = 3i^+4j^
then a2  = a.a = 3*3 + 4*4
                    = 25  = R2
=>  R = sqrt(25)= 5
 

Answered by  | 12th Nov, 2010, 09:02: PM

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