Question

If the 3rd and 9th term of an ap is 4 and -8 respectively then find its 10th term

Answer 1

Step-by-step explanation:

t3=4

a+2d=4......1

t9# -8

a+8d=-8......2

solve 1 ,2 get answers

1-2

a eliminate -6d=12

d=-12/6

d=-2

a=4-2d.... from 1

a=4-2(-2)=4+4=8

a=8

t10=a+9d

8+9(-2)

8-18=-10

t10=-10

Answer 2

Answer:

Please refer the attachment dear