Question

which term of the progressive 20,19.1/4,18.1/2,17.3/4,....is the first nagative term​

Answer 1

Answer:

a=20 and d3D (-3/4).Let nth term be its first negative term. => 20 +(n-1)(-3/4)

=a+(n-1)d => 80-3n+3

And 28th term =20+(28-1)(-3/4) =20+27x(-3/4) -1/4 Ans.