Which of the following is an arithmetic sequence where a1 = 14 and d = −3?
1 answer:
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x^2 = 5 - x
x^2 + x - 5 = 0
-1 +/-
x = (1 + √21) / 2
x = (1 - √21) / 2
x^2 = 5 - x
x^2 + x - 5 = 0
-1 +/-
x = (1 + √21) / 2
x = (1 - √21) / 2