Math, asked by kaala69, 3 months ago

find the 20th term of AP -12,-5,2,9

Answers

Answered by Shrikrishna2008

1

Answer:

121

Step-by-step explanation:

Tn= a+(n-1)d

-12+(19×7)

-12+133

121

Answered by nareshyadav1268655

0

Answer:

a=-12

d =-5-(-12)=-5+12=7

20th=-12+(n-1)d

-12+(20-1)×7=-12+19×7

12+133=145

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