Class - 9, PRATHMIK GANIT 1, BHARTI BHAVAN, MATH, BIHAR BOARD, Heron's Formula, Ex -13A, Q.no -12(b)

Class - 9, PRATHMIK GANIT 1, BHARTI BHAVAN, MATH, BIHAR BOARD, Heron's Formula, Ex -13A, Q.no -12(b)

Class - 9, PRATHMIK GANIT 1, BHARTI BHAVAN, MATH, BIHAR BOARD, Heron's Formula, Ex - 13A, Q.no - 12 (b) , Playlist link -    • Bharti Bhavan, Bihar Board, Math, Class 9,...  

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Class -9, MATH, Dr. K.C. SINHA, STUDENTS' FRIENDS, BIHAR BOARD, ALGEBRAIC IDENTITIES,Ex-4.2,Q.-5 a-b