QUADRADO DA SOMA DE DOIS TERMOS
Exercícios
1) Calcule
a) (3 + x)² = ( R: 9 + 6x +x²)b) (x + 5)² = ( R: x² + 10x + 25)
c) ( x + y)² = ( R: x² + 2xy +y²)
d) (x + 2)² = ( R: x² + 4x + 4)
e) ( 3x + 2)² = ( R: 9x² + 12x +4)
f) (2x + 1)² = (R: 4x² + 4x + 1)
g) ( 5+ 3x)² = (R: 25 + 30x + 9x²)
h) (2x + y)² = (R: 4x² + 4xy + y²)
i) (r + 4s)² = (R: r² + 8rs + 16s²)j) ( 10x + y)² = (R: 100x² + 20xy + y²)l) (3y + 3x)² = (R: 9y² + 18xy + 9x²)m) (-5 + n)² = (R: 25 -10n + n²)
n) (-3x + 5)² = (R: 9x² - 30x + 25)
o) (a + ab)² = (R: a² + 2a²b + a²b²)
p) (2x + xy)² = (R: 4x² + 4x²y + x²y²)
q) (a² + 1)² = (R: (a²)² + 2a² + 1)r) (y³ + 3)² = [R: (y³)² + 6y³ + 9]s) (a² + b²)² = [R: (a²)² + 2a²b² + (b²)²]
t) ( x + 2y³)² = [R: x² + 4xy³ + 4(y³)²]
u) ( x + ½)² = (R: x² +x + 1/4)
v) ( 2x + ½)² = (R: 4x² + 2x + 1/4)x) ( x/2 +y/2)² = [R: x²/4 + 2xy/4 + y²/4]
QUADRADO DA DIFERENÇA DE DOIS TERMOS
Exercícios
1) Calcule
a) ( 5 – x)² = (R: 25 – 10x + x²)b) (y – 3)² = (R: y² - 6y + 9)c) (x – y)² = (R: x² - 2xy + y²)
d) ( x – 7)² = (R: x² - 14x + 49)e) (2x – 5) ² = (R: 4x² - 20 x + 25)f) (6y – 4)² = (R: 36y² - 48y + 16)
g) (3x – 2y)² = (R: 9x² - 12xy + 4y²)h) (2x – b)² = (R: 4x² - 4xb + b²)
i) (5x² - 1)² = [R: 25(x²)² - 10x² + 1)
j) (x² - 1)² = (R: x⁴ - 2x² + 1)
l) (9x² - 1)² = (R: 81x⁴- 18x² + 1)
m) (x³ - 2)² = (R: x⁶ - 4x³ + 4)
n) (2m⁵ - 3)² = ( R:
o) (x – 5y³)² =
p) (1 - mx)² =
q) (2 - x⁵)² =
r) (-3x – 5)² =
s) (x³ - m³)² =
PRODUTO DA SOMA PELA DIFERENÇA DE DOIS TERMOS
EXERCÍCIOS
1) Calcule o produto da soma pela diferença de dois termos:
a) (x + y) . ( x - y) = (R : x² - y²)b) (y – 7 ) . (y + 7) = ( R : x² - 49)
c) (x + 3) . (x – 3) = ( R: x² - 9)
d) (2x + 5 ) . (2x – 5) = ( R: 4x² - 25)
e) (3x – 2 ) . ( 3x + 2) = ( R: 9x² - 4 )
f) (5x + 4 ) . (5x – 4) = ( R: 25x² - 16)g) (3x + y ) (3x – y) = (R: 9x² - y² )h) ( 1 – 5x) . (1 + 5x) = ( R: 1 - 25x² )i) (2x + 3y) . (2x – 3y) = ( R: 4x² - 9y² )j) (7 – 6x) . ( 7 + 6x) = (R: 49 - 36x²)
l) (1 + 7x²) . ( 1 – 7x²) = (R: 1 - 49x⁴)
m) (3x² - 4 ) ( 3x² + 4) = ( R: 9x² - 16)
n) (3x² - y²) . ( 3x² + y²) = (R: 9x⁴ - y⁴)
o) (x + 1/2 ) . ( x – 1/2 ) =
p)(x – 2/3) . ( x + 2/3) =
q)( x/4 + 2/3) . ( x/4 – 2/3) =
Exercícios
1) Calcule
a) (3 + x)² = ( R: 9 + 6x +x²)b) (x + 5)² = ( R: x² + 10x + 25)
c) ( x + y)² = ( R: x² + 2xy +y²)
d) (x + 2)² = ( R: x² + 4x + 4)
e) ( 3x + 2)² = ( R: 9x² + 12x +4)
f) (2x + 1)² = (R: 4x² + 4x + 1)
g) ( 5+ 3x)² = (R: 25 + 30x + 9x²)
h) (2x + y)² = (R: 4x² + 4xy + y²)
i) (r + 4s)² = (R: r² + 8rs + 16s²)j) ( 10x + y)² = (R: 100x² + 20xy + y²)l) (3y + 3x)² = (R: 9y² + 18xy + 9x²)m) (-5 + n)² = (R: 25 -10n + n²)
n) (-3x + 5)² = (R: 9x² - 30x + 25)
o) (a + ab)² = (R: a² + 2a²b + a²b²)
p) (2x + xy)² = (R: 4x² + 4x²y + x²y²)
q) (a² + 1)² = (R: (a²)² + 2a² + 1)r) (y³ + 3)² = [R: (y³)² + 6y³ + 9]s) (a² + b²)² = [R: (a²)² + 2a²b² + (b²)²]
t) ( x + 2y³)² = [R: x² + 4xy³ + 4(y³)²]
u) ( x + ½)² = (R: x² +x + 1/4)
v) ( 2x + ½)² = (R: 4x² + 2x + 1/4)x) ( x/2 +y/2)² = [R: x²/4 + 2xy/4 + y²/4]
QUADRADO DA DIFERENÇA DE DOIS TERMOS
Exercícios
1) Calcule
a) ( 5 – x)² = (R: 25 – 10x + x²)b) (y – 3)² = (R: y² - 6y + 9)c) (x – y)² = (R: x² - 2xy + y²)
d) ( x – 7)² = (R: x² - 14x + 49)e) (2x – 5) ² = (R: 4x² - 20 x + 25)f) (6y – 4)² = (R: 36y² - 48y + 16)
g) (3x – 2y)² = (R: 9x² - 12xy + 4y²)h) (2x – b)² = (R: 4x² - 4xb + b²)
i) (5x² - 1)² = [R: 25(x²)² - 10x² + 1)
j) (x² - 1)² = (R: x⁴ - 2x² + 1)
l) (9x² - 1)² = (R: 81x⁴- 18x² + 1)
m) (x³ - 2)² = (R: x⁶ - 4x³ + 4)
n) (2m⁵ - 3)² = ( R:
o) (x – 5y³)² =
p) (1 - mx)² =
q) (2 - x⁵)² =
r) (-3x – 5)² =
s) (x³ - m³)² =
PRODUTO DA SOMA PELA DIFERENÇA DE DOIS TERMOS
EXERCÍCIOS
1) Calcule o produto da soma pela diferença de dois termos:
a) (x + y) . ( x - y) = (R : x² - y²)b) (y – 7 ) . (y + 7) = ( R : x² - 49)
c) (x + 3) . (x – 3) = ( R: x² - 9)
d) (2x + 5 ) . (2x – 5) = ( R: 4x² - 25)
e) (3x – 2 ) . ( 3x + 2) = ( R: 9x² - 4 )
f) (5x + 4 ) . (5x – 4) = ( R: 25x² - 16)g) (3x + y ) (3x – y) = (R: 9x² - y² )h) ( 1 – 5x) . (1 + 5x) = ( R: 1 - 25x² )i) (2x + 3y) . (2x – 3y) = ( R: 4x² - 9y² )j) (7 – 6x) . ( 7 + 6x) = (R: 49 - 36x²)
l) (1 + 7x²) . ( 1 – 7x²) = (R: 1 - 49x⁴)
m) (3x² - 4 ) ( 3x² + 4) = ( R: 9x² - 16)
n) (3x² - y²) . ( 3x² + y²) = (R: 9x⁴ - y⁴)
o) (x + 1/2 ) . ( x – 1/2 ) =
p)(x – 2/3) . ( x + 2/3) =
q)( x/4 + 2/3) . ( x/4 – 2/3) =
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