Question

1) Desenvolva as expressões e escreva o polinômio correspondente:

a) (x + 9)²

R:

b) (y + 1,8)²

R:

c) (b + 5y)²

R:

d) (6a +1)²

R:

e) (0,8 + x³)²

R:

f) (2p+1/2)²

R:

g) (3ab + 0,5c)2

R:

h) (x³y² + 5x)²

R:

i) (2y^5 + 1,3x³)²

R:

Answer 1

a) (x + 9)²

R: x^2 + 18x + 81

b) (y + 1,8)²

R: y^2 + 3,6y + 2,56

c) (b + 5y)²

R: b^2 + 10by + 25y^2

d) (6a +1)²

R:36a^2 + 12a + 1

e) (0,8 + x³)²

R:0,64 + 1,6x^3 + x^6

f) (2p+1/2)²

R:4p^2 + 2p + 1/4

g) (3ab + 0,5c)2

R:9a^2b^2 + 3abc + 1/4c^2

h) (x³y² + 5x)²

R:x^6y^4 + 10x^4y^2 + 25x^2

i) (2y^5 + 1,3x³)²

R: 4y^10 + 5,2y^5x^3 + 1,69x^6