given four number P, Q, R and S. the first three number form an arithmetic sequence while the last

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✅ Jawaban Terverifikasi:

Pertanyaan:

given four number P, Q, R and S. the first three number form an arithmetic sequence while the last three form a geometric sequence. if the last of the first and the fourth number is 16 and the sum of the second and the third number is 12, find these four number..​

✅ Jawaban:

The general rule for the arithmetic sequence with a3​=−4 and a8​=−29 is an​=11−5n , where a1​=6 and the common difference d=−5.

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