{ The vectors }3\vec a-5\vec b and }2\vec a+\vec b are mutually }}{ pe – InterviewSolution

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1.	{ The vectors }3\vec a-5\vec b and }2\vec a+\vec b are mutually }}{ perpendicular and the vectors }\vec a+4\vec b and }}{-\vec a+\vec b are also mutually perpendicular. Then the }}{ angle between the vectors }\vec a and }\vec b, is
Answer» { The vectors }3\vec a-5\vec b and }2\vec a+\vec b are mutually }}{ perpendicular and the vectors }\vec a+4\vec b and }}{-\vec a+\vec b are also mutually perpendicular. Then the }}{ angle between the vectors }\vec a and }\vec b, is

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