5 marks fixed question in board exam 2023

Описание: Hello dear students mai k.kumar sir katihar bihar se mere channel ka nam The key of mathematics h jaha pr class 11th 12th aur maths honours ki video upload ki jati h isiliye mere channel se jyada se jyada benefit lene ke liye channel ko like share and subscribe jarur kre Thanks all of you 🙏🙏🙏🙏🙏