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# Browsing Mathematics by Title

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• (2014-03-25)
This article discusses some alternative proofs of Simson theorem, which states the specific form of the three points of intersection lines on the sides of the triangle. In these alternative proofs, the principle of parallel ...
• (2016-04-27)
This paper discusses some equivalent conditions for reverse order law of group inverses of product of two matrices. Several sufficient conditions which enable both (AB)# = B(1,2)A(1,2) and (AB)# = B(1,2)A(1,2) hold are ...
• (2020-07)
This article discusses the identities of finite sum of the reciprocal and reciprocal square Fibonacci numbers with two, three or four functions of sums of the Fibonacci numbers. The sum solution is found by using floor ...
• (2021-03)
This articel discusses some congruences on harmonic numbers and Bernoulli num- bers. The study is completed using several harmonic identities, congruence modulo properties and algebraic calculations. Futhermore it can ...
• (2016-02-04)
This article discusses the iterative method by combining two Newton’s methods where the second step of Newton’s method is given a weighted function. By pro- viding specific requirements for this weighting function, it ...
• (wahyu sari yeni, 2019-04-23)
This articel discusses some development of numbers and series on triangular number. Then the development of numbers and series on triangular number involved in this study are the sum and difference in triangular number, ...
• (Elfitra, 2023-05)
This article discusses the development of mixtilinear incircle on the diagonal of a cyclic quadrilateral. In this case, suppose an arbitrary △ABC is given and then circumcircle is constructed for that triangle. Then the ...
• (Elfitra, 2023-05)
This article discusses the development of the incircle mixtilinear on the triangular trisector of a triangle. The relationship between the radius of the near incircle of the 4ABC corner trisector is a comparison the ...
• (2014-03-25)
This article discusses some of the algebraic properties of the generalized inverse matrix on the addition operation, which is derived using the properties of the sum of the rank of matrices. Generalized inverse of the sum ...
• (2021-01)
This article discusses some properties of de cient perfect numbers that is, every odd perfect numbers have a de cient perfect numbers. Then, there are odd perfect numbers and Descartes numbers from the de cient perfect ...
• (2013-07-26)
This paper discusses a technique to simplify a general cubic surface equation in the projective space to form a normal form z2=f(x,y) , in which f ( x, y) is a polynomial of degree four. The process is started by simplifying ...
• (perpustakaan UR, 2021-07)
Biosynthesis of silver (Ag) nanoparticles has been carried out by reacting pineapple peel extract as a reductant and 5 mM AgNO3 solution. The nanoparticle synthesis process was done at a temperature of 80oC for 30 ...
• (Elfitra, 2022-07)
Relationship analysis on spatial data can be done by using the method Geographically Weighted Poisson Regression (GWPR), which is a local form of Poisson regression which is applied to spatial data, where location is ...
• (Elfitra, 2022-05)
This article discusses the properties of BP-algebra and its relation to BP-algebra with BF-algebra, BH-algebra, and B-algebra 0 commutative. Their relationship is proven by showing that the properties of BP-algebra, ...
• (2020-07)
This article discusses the New Jersey method for adjusted reserve of term life insurance using Makeham distribution. In this project, life annuity due and premium for term life insurance obtained based on Makeham law of ...
• (2016-02-04)
This article discusses the reserve life insurance contingent based on the Gompertz distribution at the age of x and y . Contingent life insurance is an insurance whose payments based on the sequence of the deceased ...
• (2016-04-27)
This article discusses the reserve life insurance contingent for two persons at the age of x and y years old. Contingent life insurance is an insurance whose payments are based on the sequence of the deceased insured. ...
• (2016-04-27)
This article discusses the prospective reserve using New Jersey method for prospective Semicontinuous Endownment Life Insurance. This method limits the calculation of reserves for 20 years. Semicontinuous endownment life ...
• (2016-05-23)
This article discusses the retrospektif reserves by using Pareto's distibution and Vasicek's interest rate for education insurance. The life insurance reserve calculation is obtained by endowment life insurance, life ...
• (2016-04-27)
This article studies the prospective reserve and retrospective reserve of endowment life insurance of the Canadian method. The method gives the extend of modified period over the entire premium payment period. Endowment ...