Question

2. Decide whether following sequence is an A.P. if so find the 20 term of the
progression
-12. -5, 2. 9. 16. 23. 30.
​

Answer 1

Answer:

Yes and 20th term of progression will be a+(n-1)d

a will be the first number of progression d the difference and n the term to be found

therefore

=-12+(20-1)7

-12+133

121

Answer 2

20th term of this A.P= 121

Step-by-step explanation:

.

Please see the detailed answer in picture.

.

$\huge\bold{\mathtt{\purple{ H{\pink{ o{\green{ p{\blue{ e{\red{ .{\orange{ i{\purple{ t{\pink{ s{\green{ .{\blue{ H{\red{ e{\purple{ l{\pink{ p{\green{ .{\blue{ U}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}$