0.2icap-0.3jcap+ak represent unit vector find a
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SO ITS MAGNITUDE IS 1
magnitude of vector is 0.2^2+0.3^2+a^2=1
0.04+0.09+a^2=1
a^2=0.87
a=0.93
sudarshan54:
how we multily by 2
its not multiplying magnitude means under root of addition of squares of coefficients of icap jcap and kcap
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