vector a=i+ 2 j+5k
vector b = -1 +3j - 2k. find a+b & a- b
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Explanation:
By The Vector rule
a=√[1²+(2)²+(5)²]
=√[1+4+25]
a=√30
b=√[(-1)²+(3)²+(-3)²]
=√[1+9+9]
=√19
√30+√19
and √30-√19 is answer
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