Resposta:
Olá
a 1,2 b 0,9 c 2
a. b + c = (1, 2) ,(0,9)+2=1,08+2=2,08
a^ 2 +b. c = (1, 2) ^ 2 + (0, 9) ,2=1,44+1,8=3,24
(a + b) ^ 2 - c = (1, 2 + 0, 9) ^ 2 - 2 = (2, 1) ^ 2 - 2 =4,41-2=2,41
a 0,8 b3 c4
a. b + c = (0, 8) . (3) + 4 =2,4+4=6,4
a^ 2 +b.c= (0, 8) ^ 2 +3.(4)=0,64+12=12,64
(a + b) ^ 2 - c = (0, 8 + 3) ^ 2 - 4 = (3, 8) ^ 2 - 4 =14,44-2=12,44
a 0,5 b 2 c 3
a.b+c=(0,5). (2) + 3 = 1 + 3 = 4
a ^ 2 +b.c=0,5)^ 2 +2.(3)=0,25+6=6,25
(a + b) ^ 2 - c = (0, 5 + 2) ^ 2 - 3 = (2, 5) ^ 2 - 3 =6,25-3=3,25
a 0,3 b 1,2 c 1
a.b+c=(0,3). (1, 2) + 1 =0,36+1=1,36
a^ 2 +b.c= (0, 3) ^ 2 + 1 ,2.1=0,09+1,2=1,29
(a + b) ^ 2 - c = (0, 3 + 1, 2) ^ 2 - 1 = (1, 5) ^ 2 - 1 =2,25-1=1,25
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Resposta:
Olá
a 1,2 b 0,9 c 2
a. b + c = (1, 2) ,(0,9)+2=1,08+2=2,08
a^ 2 +b. c = (1, 2) ^ 2 + (0, 9) ,2=1,44+1,8=3,24
(a + b) ^ 2 - c = (1, 2 + 0, 9) ^ 2 - 2 = (2, 1) ^ 2 - 2 =4,41-2=2,41
a 0,8 b3 c4
a. b + c = (0, 8) . (3) + 4 =2,4+4=6,4
a^ 2 +b.c= (0, 8) ^ 2 +3.(4)=0,64+12=12,64
(a + b) ^ 2 - c = (0, 8 + 3) ^ 2 - 4 = (3, 8) ^ 2 - 4 =14,44-2=12,44
a 0,5 b 2 c 3
a.b+c=(0,5). (2) + 3 = 1 + 3 = 4
a ^ 2 +b.c=0,5)^ 2 +2.(3)=0,25+6=6,25
(a + b) ^ 2 - c = (0, 5 + 2) ^ 2 - 3 = (2, 5) ^ 2 - 3 =6,25-3=3,25
a 0,3 b 1,2 c 1
a.b+c=(0,3). (1, 2) + 1 =0,36+1=1,36
a^ 2 +b.c= (0, 3) ^ 2 + 1 ,2.1=0,09+1,2=1,29
(a + b) ^ 2 - c = (0, 3 + 1, 2) ^ 2 - 1 = (1, 5) ^ 2 - 1 =2,25-1=1,25