find the value of mod a bar - c bar when a=3i bar+4j bar,c=3i bar-4k bar
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Answer:
simple adding them
we get
a-c=(3-3)i+(4-0)+(0+4)k
=0i+4j+4k
now |a-c|=
=√0²+4²+4²
=√16+16
=√32
= 5.65
thank you
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