Math, asked by riya242627, 10 months ago

fill the blank
21 term of AP whose first two term are -3 and 4 respectively is​

Answers

Answered by Shiva5466
1

Answer:

the 21 term of APs is 137

Answered by divyankaswarna
1

Answer:

137

Step-by-step explanation:

a=-3,. d=4-(-3)=7 n=21

an=a+(n-1)d

=-3+(21-1)7

=-3+(20)7

=-3+140

=137

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