a) ( 5 – x)² =
b) (y – 3)² =
c) (x – y)² =
d) ( x – 7)² =
e) (2x – 5) ² =
f) (6y – 4)² =
g) (3x – 2y)² =
h) (2x – b)² =
i) (5x² - 1)² =
j) (x² - 1)² =
l) (9x² - 1)² =
m) (x³ - 2)² =
n) (x – 5y³)² =
o) (1 - mx)² =
p) (3x + 5)² =
2) Calcule
a) (3 + x)² =
b) (x + 5)² =
c) ( x + y)² =
d) (x + 2)² =
e) ( 3x + 2)² =
f) (2x + 1)² =
g) ( 5+ 3x)² =
h) (2x + y)² =
i) (r + 4s)² =
j) ( 10x + y)² =
l) (3y + 3x)² =
m) (-5 + n)² =
n) (-3x + 5)² =
o) (a + ab)² =
p) (2x + xy)² =
q) (a² + 1)² =
r) (y³ + 3)² =
s) (a² + b²)² =
t) ( x + 2y³)² =
a) (x + y) . ( x - y) =
b) (y – 7 ) . (y + 7) =
c) (x + 3) . (x – 3) =
d) (2x + 5 ) . (2x – 5) =
e) (3x – 2 ) . ( 3x + 2) =
f) (5x + 4 ) . (5x – 4) =
g) (3x + y ) (3x – y) =
h) ( 1 – 5x) . (1 + 5x) =
i) (2x + 3y) . (2x – 3y) =
j) (7 – 6x) . ( 7 + 6x) =
l) (1 + 7x²) . ( 1 – 7x²) =
m) (3x² - 4 ) ( 3x² + 4) =
n) (3x² - y²) . ( 3x² + y²) =
4) Desenvolva os seguintes produtos notáveis abaixo:
a) (2a+3)² =
b) (2 + 9x)² =
c) (6x - y)² =
d) (a - 2b)² =
e) (7a +1) (7a - 1) =
f) (10a - bc) (10a + bc) =
g) (x² + 2a)² =
h) (x - 5) (x + 5) =
i) (9y + 4 ) (9y - 4) =
j) (m - n)² =
b) (y – 7 ) . (y + 7) =
c) (x + 3) . (x – 3) =
d) (2x + 5 ) . (2x – 5) =
e) (3x – 2 ) . ( 3x + 2) =
f) (5x + 4 ) . (5x – 4) =
g) (3x + y ) (3x – y) =
h) ( 1 – 5x) . (1 + 5x) =
i) (2x + 3y) . (2x – 3y) =
j) (7 – 6x) . ( 7 + 6x) =
l) (1 + 7x²) . ( 1 – 7x²) =
6) Desenvolva:
a) ( x + y)³ =
b) (x – y)³ =
c) (m + 3)³ =
d) (a – 1 )³ =
b) (x – y)³ =
c) (m + 3)³ =
d) (a – 1 )³ =
e) ( 5 – x)³ =