Question

What is the 10 term for -25,-15,-5,5,10

Answer 1

Step-by-step explanation:

a is -25& d is +10 .

a10= a+9d= -25+90= 65

Answer 2

Answer:                  a=8,d=2,an=126

                 Now an=a+(n−1)d

                 126=8+(n−1)2

                 ⇒118=(n−1)2

                 ⇒59=n−1

                 ⇒n=60

               Now 10  

th

 term from last is (60−10+1)  

th

 term

=51  

th

 term from beginning

So, a  

51

​

=a+(51−1)d

=8+50×2

Step-by-step explanation: