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If A and B are vectors, then what is the value of (A+B)cross(A-B) ??

Note by Gaurav Sharma 2 years, 8 months ago

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(A+B)×(A-B)=A×A-A×B+B×A-B×B=2(B×A) – Pranjal Jain · 2 years, 8 months ago

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@Pranjal Jain – thanks ! – Gaurav Sharma · 2 years, 8 months ago

\(*\) is for dot product or cross product? – Pranjal Jain · 2 years, 8 months ago

@Pranjal Jain – cross – Gaurav Sharma · 2 years, 8 months ago

@Gaurav Sharma – X is for cross product and " . " is for dot – Gautam Sharma · 2 years, 8 months ago

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TopNewest(A+B)×(A-B)=A×A-A×B+B×A-B×B=2(B×A) – Pranjal Jain · 2 years, 8 months ago

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– Gaurav Sharma · 2 years, 8 months ago

thanks !Log in to reply

\(*\) is for dot product or cross product? – Pranjal Jain · 2 years, 8 months ago

Log in to reply

– Gaurav Sharma · 2 years, 8 months ago

crossLog in to reply

– Gautam Sharma · 2 years, 8 months ago

X is for cross product and " . " is for dotLog in to reply