eng Ansari Education and Research Society Journal of Ultra Scientist of Physical Sciences April 2010 22 1 295 302 jusps-A 1057 article Approximation of conjugate of a function  LIP ( £(t),r) class by (E,1)(C,1) product means of conjugate series of fourier series Hare Krishna Nigam (harekrishnan@yahoo.com) 1 Department of Mathematics, Faculty of Engineering & Technology, Mody Institute of Technology and Science (Deemed University), Laxmangarh ?(Sikar (Rajasthan) INDIA <p>In this paper, a new theorem on degree of approximation of conjugate of a function LIP ( &pound;(t),r)&nbsp;using (E,1) (C,1) product summability means of conjugate series of Fourier series has been established.</p> https://www.ultrascientist.org/paper/1057/ Degree of approximation, class of function product summability Fourier series conjugate series of Fourier series,