pg trb physics unit 1 mathematical physics

[@cethargopinathp5819]

Very useful sir.. thank u sir..

[@dijinbreejo8856]

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[@ushakaruppasamy7626]

Well understood sir🎉🎉

[@johnsonabraham5976]

Thank you sir.

[@cloudscreen2502]

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[@p.dharmiksudhan6318]

Thank you so much sir

[@chandralekaMithran]

Thanks a lot sir...

[@rameshjayachandran2027]

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[@VadivelBrundha]

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[@nbhuvaneswari6179]

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Thank you sir