Physics, asked by cr7sharma, 8 months ago

The angle between Ā =î+j and B =î -j is
plzz ans fast with explaination... ​

Answers

Answered by nashrahsamra
2

Answer:

A+B= i2+j2

Explanation:

A=i+j

B=i_j

A+B= (i+j)+(i_j)

=(i2_ij)+(ji_j2)

A+B=i2+j2

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