Math, asked by carrudynamo, 8 months ago

for an A.p find s12 if a=4 and d=3

Answers

Answered by arbazraza000

11

Answer:

S12=246.

Step-by-step explanation:

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Answered by bagkakali

3

Answer:

s12=12/2{2.4+(12-1).3}

=6.(8+33)=6.41=246

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