Question

What is the 10th term of 4,-6,9...

Answer 1

Here a =4

t2=- 6

therefore d= -6-4

=-10

tn=a+n-1*d

t10=4+10-1* -10

  =4+9*-10

  =4-90

   =-86

Therefore 10th term of an A.P is -86