Answer:
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Step-by-step explanation:
I just learned this, I believe that the answer is <span>a1=21;an=7⋅an−1</span>
The second one is the answer
1 rational solution
4x² + 12x + 9 = 0
(2x+3)²=0
2x + 3 =0
2x +3 -3 = 0-3
2x = -3
2x/x = -3/2
x = -3/2