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Arithmetic Sequences and Series Grade 12 CAPS …
Problem 2 on Arithmetic Sequences. Solution The 4th term of an AS is 14 and the 16th term is 50. Calculate the first term and the common difference. 4 term : 3 14. (1) 4 th T a d 16 term : 15 50. (2) 16 th T a d Subtracting equation (1) from equation (2), we get 12dd 36 3 So 3(3) 14 5aa
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