11.º ANO - 2024/2025

qa 1
269,3
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qa 2
rq(30)/6
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1.º TESTE
1. 633 e 673	2. cbab	3. C	4. C; A		5. r(15)/5
6. 250/169	7. [-1,-1/3[	8. [-1,5]; D; B; (13-rq(3))/2; 46
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qa 3
x=-pi/9 v x=-2pi/9
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qa 4
25-10rq(3)
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2.º TESTE
1. A; 15,64 e 23,64; 12		2. A; pi/3+pik	3. pi/16 e 3pi/16	4. ccab
5. B	6. D; -8rq(2)	7. 71,6; -34	8. A	9. (10/13,-24/13)	10. 12
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qa 6
decresc.
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qa 7
9n/2-20