Browsing by Author "Kifilideen L., Osanyinpeju"
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Item Inauguration of Kifilideen theorem of matrix transformation of negative power of – n of trinomial expression in which three variables x, y and z are found in parts of the trinomial expression with some other applications(International Academy of Ecology and Environmental Sciences, 2022-01-10) Kifilideen L., OsanyinpejuKifilideen trinomial theorem of negative power of – n is theorem which is used to generate the series and terms of a trinomial expression of negative power of – n in an orderly and periodicity manner that is based on standardized and matrix methods. Negative power of Newton binomial theorem had been used to produce series of partial fractions of a compound fraction. The establishment of the negative power of - n of trinomial theorem would extend the number of compound fraction in which series (expansion) can be produced. This study applied Kifilideen expansion of negative power of – n of Kifilideen trinomial theorem for the transformation of compound fraction into series of partial fractions with other developments. A theorem of matrix transformation of negative power of – n of trinomial expression in which three variables x, y and z are found in parts of the trinomial expression was inauguration. The development would ease the process of evaluating such trinomial expression of negative power of – n. This standardized and matrix method used in arranging the terms of the Kifilideen expansion of negative power of - n of trinomial expression yield an interesting results in which it is utilized in transforming compound fraction into series of partial fractions in a unique way.Item INAUGURATION OF NEGATIVE POWER OF – N OF KIFILIDEEN TRINOMIAL THEOREM USING STANDARDIZED AND MATRIX METHODS(Zibeline International Publishing, 2021-12-10) Kifilideen L., OsanyinpejuThe positive power of Kifilideen trinomial theorem based on matrix and standardized approach had been developed and implemented alongside the general power combination formula which helps to determine the terms in the kifilideen expansion of positive power of n of trinomial expression. This study inaugurated negative power of − n of kifilideen trinomial theorem using standardized and matrix methods. Matrix was used in this research work to arrange the terms of the series of the negative power of the Kifilideen trinomial theorem. The general formula of the power combination of any term in the series was invented. The general formula to determine the term of a given power combination was also originated. It has been proving that the theorem and formulas generated are accurate, reliable, easy and interesting. The theorem helps in generating the terms of Kifilideen trinomial theorem of negative power of – n in an orderly form and makes it easy in obtaining the power combination that produce any given term and vice versa.Item Investigation of Vibration Technique To Control Physical Properties of Yam Tubers (Dioscorea rotundata Poir.) During Storage(Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Indonesia., 2022-02-09) Kifilideen L., Osanyinpeju; Adewole A., Aderinlewo; Olawale U., Dairo; Olayide R., Adetunji; Emmanuel S.A., AjisegiriYam tubers loss weight during storage and prolonged storage can reduce tuber quality and quantity. This study investigated the application of vibration technique for the control of physical properties of yam tubers during storage. Measurements were conducted on the physical properties of the tubers: weight loss, shrinkage of the middle diameter, shrinkage of the length, top and bottom diameter, on 108 tubers treated and 32 tubers untreated (control). The factors of the experimental design were three levels of vibration frequencies, i.e. low (1 – 5 Hz), medium (60 – 100 Hz) and high (150 – 200 Hz), amplitudes of low (5 mm), medium (10 mm), and high (20 mm), and durations of low (5 minutes), medium (10 minutes) and high (15 minutes). Tuber weights were classified as small (0.1 – 2.9 kg) and large (3.0 – 5.0 kg). The tubers were stored for ten weeks after vibration, and their physical properties were measured every week during the storage period. Our study demonstrated that as the frequency, amplitude, and duration of vibration increase, the physical properties of yam tubers decrease significantly in both tuber classes. The study shows that mechanical vibration can slow down the changes of the physical properties of yam tuber during storage.