Somnath Jana Asked a Question
July 29, 2020 12:30 pmpts 30 pts
give the solution....................................
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  • Vishal goswami Best Answer
    see attachment
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  • Deepak singh
    see attached proof
    • cropped165613480.jpg
    • cropped-728886162.jpg
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    Deepak singh
    see definition of open cover..
    • cropped-248746906.jpg