The component ofa→=2iˆ+3jˆ along the direction of vectors (iˆ+jˆ) and (iˆ−jˆ) respectively are
-1/√2,5/√2
5/√2, 5/√2
-5/√2,-5/√2
5/√2,-1/√
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Answer:
A=2i^+3j^
B=i^+j^
The component of vector along B
C=A.B B
|B|
C=(2i^+3j^).(i^+j^) (i^+j^)
√1√2+√1√2
C=5(i^+j^)
√2
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