vector A=2i+3j+8k and vector B=4i-4j-7k what is addition and substraction of vector A and vector B?
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VECTOR A+B= 6i - j + k
VECTOR A-B= -2i +7j +15k
zooriepatel:
thanksss
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vector A + vector B
= (2i + 3j + 8k)+(4i-4j-7k)
= 2i+3j+8k+4i-4j-7k
= 6i-j+k
vector A - vector B
= (2i + 3j + 8k)-(4i-4j-7k)
= 2i+3j+8k-4i+4j+7k
= -2i+7j+15k
= (2i + 3j + 8k)+(4i-4j-7k)
= 2i+3j+8k+4i-4j-7k
= 6i-j+k
vector A - vector B
= (2i + 3j + 8k)-(4i-4j-7k)
= 2i+3j+8k-4i+4j+7k
= -2i+7j+15k
dear how we can get dot product and cross product of that same above sum?
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