Question

if m times the m th term of an ap is equal to n times the n th term then find the ( m+n)th term

Answer 1

m(a+(m-1)d)=n(a+(n-1)d)n
(m-n)a=d(n^2-m^2-n+m)
a=-d(m+n-1)

tm+n=a+(m+n-1)d
=zero