Given P(x) = (x2 - 1/2 x - 1/2)1008
If P(x) = a2016x2016 + a2015x2015 + ..... + a1x + a0
then the value of the sum a0 + a2 + a4 + .... + a2014 is ...........
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Fill in the blank with the suitable number (Note: write decimal number with the dot between number part and fraction part. Example: 0.5)Question 1:Given .Calculate: .Question 2:Given two triangles and .If and then .Question 3:Suppose that is directly proportional to with the scaling factor is .If and then k.Question 4:In this figure, find the value of ?Answer: .(write your answer by decimal in simplest form)Question 5:Find the value of ?Answer: .(write your answer by decimal in simplest f...
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Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
Question 1:
Given .
Calculate: .
Question 2:
Given two triangles and .
If and then .
Question 3:
Suppose that is directly proportional to with the scaling factor is .
If and then k=.
Question 4:
In this figure, find the value of ?
Answer: .
(write your answer by decimal in simplest form)
Question 5:
Find the value of ?
Answer: .
(write your answer by decimal in simplest form)
Question 6:
Given two triangles and .
If and then the perimeter of is .
Question 7:
In this figure, .
Question 8:
The value of .
(write your answer by decimal in simplest form)
Question 9:
The perimeter of a triangle is and the sides of its are in a ratio of .
Then the sides's length of the triangle are .
(write your answer from least to greatest and used ";")
Question 10:
Fill the suitable number in the "?".
Answer: .
giúp mik vs nha please
Cho đồng nhất thức (1+x+x2)15=a0+a1x+a2x2+.......+a30x30(1+x+x2)15=a0+a1x+a2x2+.......+a30x30
Đặt S=a0+a1+a2+a3+a4+........+a30S=a0+a1+a2+a3+a4+........+a30. Tính giá trị của S
Giả sử
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Giả sử 1 - x + x 2 = a o + a 1 x + a 2 x 2 + . . . + a 2 n x 2 n s = a 0 + a 2 + a 4 + ... + a 2 n
A. 3 n + 1 2 .
B. 3 n − 1 2 .
C. 3 n 2 .
D. 2 n + 1.
Find the value of x such that | x2 + 3 + |x + 3|| = (3 - x)2.
Answer x = : .
(write your answer by decimal in simplest form)
+x>-3 => x2 +x+6 =9-6x+x2 => 7x=3 => x =3/7 (TM)
+x< -3 => |x2 -x| = 9 -6x +x2 => x2 -x =9-6x+x2 => 5x = 9 => x = 9/5 loại
=> x = 3/7
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Given P(x) = (x2 - 1/2 x - 1/2)1008
If P(x) = a2016x2016 + a2015x2015 + ..... + a1x + a0
then the value of the sum a0 + a2 + a4 + .... + a2014 is ...........
P(x) có giá trị bằng tổng các hệ số của nó khi x=1 tức là: \(P\left(x\right)=\left(1-\frac{1}{2}-\frac{1}{2}\right)^{1008}=0\Leftrightarrow a_{2016}+a_{2015}+...+a_0=0\)
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Find the value of x such that .\(\frac{x+3}{7}=\frac{2-x}{3}\)
Answer: .x=.....
(write your answer by decimal in simplest form)
=>3(x+3)=7.(2-x)
=>3x+9=14-2x
=>3x+2x=14-9
=>5x=5=>x=1
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Find the value of x such that\(\frac{x^3}{3}=\frac{3^2}{2^3}\) .
Answer x=: .
(write your answer by decimal in simplest form)
Given P(x) = (x2 - 1/2 x - 1/2)1008
If P(x) = a2016x2016 + a2015x2015 + ..... + a1x + a0
then the value of the sum a0 + a2 + a4 + .... + a2014 is ...........
Giả sử
1
-
x
+
x
2
n
a
0
+
a
1
x
+
a
2
x
2
+
....
Đọc tiếp
Giả sử 1 - x + x 2 n = a 0 + a 1 x + a 2 x 2 + . . . + a 2 n x 2 n . Đặt s = a 0 + a 2 + a 4 + . . . + a 2 n , khi đó, s bằng
A. 3 n + 1 2
B. 3 n - 1 2
C. 3 n 2
D. 2 n + 1
