Question

in ap -1,-3,-5,-7.....10 therm is​

Answer 1

Answer:

a= -1

common difference = -3 -(-1)

= -3 +1

= -2

10 term = a+ (n-1)d

= -1 + (10-1)*(-2)

= -1 +9*(-2)

= -1 +(-18)

= -1 -18

= -19