Question

given a12 = 37,d=3, find a and S12​

Answer 1

Answer:

4246

Step-by-step explanation:

ANSWER

37=a+3(12−1)=a+33

⇒a=37−33=4

S

12

=

2

12

(4+37)=246

Answer 2

Step-by-step explanation:

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