KIBU2022-05-252022-05-252021-10-07http://erepository.kibu.ac.ke/handle/123456789/5186SPC 323:Mathematics physics IIenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/SPC 323:Mathematics physics IIMathematics physics IISPC 323Other