Posted inAbstract Algebra Advanced Math Mathematics Multivariable Calculus If a b c are in AP then prove that a(1/b+1/c) b(1/c+1/a) c(1/a+1/b) are in AP Posted by By SK Math Expert October 8, 2021Posted inAbstract Algebra, Advanced Math, Mathematics, Multivariable Calculus Question : If a b c are in AP then prove that a(1/b+1/c) b(1/c+1/a) c(1/a+1/b) are in AP Proof: Given a,b,c are in AP \[2b=a+c \] to prove that \[a(1/b+1/c), b(1/c+1/a), c(1/a+1/b)\] are in AP multiplying by abc then to… This Question has been answered. Please Login or Register to See The Answer Post navigation Previous Post If a b c are in AP then prove that 1/bc 1/ca 1/ab are in APNext PostIf a b c are in AP then prove that a^2(b+c) b^2(c+a) c^2(a+b) are in AP