Prove that if gcd(a, n) = 1 and gcd(a – 1, n) = 1, then 1+ a + a² +a³ + ..+ a®(n)-1 = 0 (mod n).

Q: 7. 5(c+4)=D.

A: To find the value of C

Q: 3 4) 5.4 8 4 - 1 2

A:

Q: Could you please solve d) too

A: given matrix  A=510510-116 find the transpose AT=55-1111006 (d) determine if the matrix A+AT is…

Q: Solve the equation: 8e = 16i

A: Given equation is : 8  ez = 16 i⇒ez = 2i let  z = x + iy ⇒  ex + iy   = 2i⇒ex (cos(y) +i sin(y)) =…

Q: Solve the followny System fequetions. O by Substition

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Q: ]] लाार ) शट|२ ) 5

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Q: Let A = [1 1 0 0 1 0 1 1 1 0 1 0 1 and B = 0 0 0 1040 0404 0010

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Q: Solve v2x + 5+ Vx + 2 5

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Q: 21 Solve: 3 = Select one: 1 a. w = = b. w = 7 C. w = 63 %3D d. w =-18

A: Solve the given equation by performing basic algebraic operations . Use the fact, if ab=cd , then…

Q: ) Solve: |5x - 7| = 3. a. -2, -4/5 b. 2 c. 4/5 d. 2, 4/5

A:

Q: 28 16 SLILLI

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Q: Solve the equation. 3 3 3x-9 X-4 x-4

A: For the solution of rational function denominator is non zero and numerator is zero.

Q: 8) 8x-2 4x +4 110

A:

Q: 3. Justin can mow and clean up a large lawn in 9 hours. When Justin works together with Mel, the…

A:

Q: 41.) Solve w + 12 = -6 - 2w. a. -6 b. 6 c. 18 d. -18

A: Given w + 12 = -6 - 2w We have to solve it

Q: Howo Q Solve an²+ (4a²3b)x=12ab=0 2 5ab + 2b²

A:

Q: Which of the following equations has no solution? 5. a. b. − ²)(a b) = (19) (²2) -77²) (²5) = (69) a…

A: We know that value of determinant is zero when any two row (or column ) are identical. Here in case…

Q: solvei!1)= -2 4 2.

A: A linear equation in a variable x is an equation containing the variable only with its first power.…

Q: What is the coefficient of d5e2c in (d+e+c)8

A: Given (d+e+c)8 = (d+(e+c))8= Cr d8-r (e+c)r8= Cr d8-r Ck er-k ckr8= Cr Ck d8-r er-k ckr8 We need to…

Q: 7) 16 2

A: According to Secant-Tangent theorem, Consider tangent point on circle as A and point meeting secant…

Q: 6. Which expression is equivalent to 3x( bx + 10) – (x - 5x+c)? A) -x +(3b +35) x- c B) -3bx + 25x +…

A: To find: The equivalent expression to the expression 3xbx+10-x2-5x+c. Calculation: Expand the…

Q: 1 Solve: (-2)*= 256 A) 8 C) B) -128 D) -8

A:

Q: 1) Solve the following expressions: a) 7e+ + 21 - 49 b) e - 2e" -63-0

A: Part (a) is illegible. We can't read what's there in the exponent of the first term. However second…

Q: 56 C-16)

A:

Q: The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock…

A:

Q: 1. 2. 5. (6л — 9) 6.r 2 3.

A: 5.12-236x-9-16x

Q: Solve for AB, what is the value in AB12 |2 4| |6 2| |8 5 |9 7| A = & B =

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Q: 1+4=5 2+5=12 3+6=21 8+11=?

A:

Q: 26)$85.28

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Q: 3 D= -1 5 4

A: See the solution in the given fig.1

Q: 2 e2xdx

A:

Q: You didn't solve d), e), and f).

A: We make the following table to calculate the following table     Homeowners        Auto N L M H…

Q: Determine the number of integer solutions to the equation below: X1 + x2 + x3 + X4 + x5 = V subject…

A:

Q: х+1 D) 3x D 44 B.

A: Given:  To Find: The value of x

Q: 1) 8+7-27+9

A: Given:  8+7-27+9

Q: R = {(b, a), (a, d), (c, a), (d, b)} . Find R+. What does this R+ mean?

A: The objective is to find R+. Given: R={(b, a), (a, d), (c, a), (d, b)}

Q: A d. mLA -18, a=C6,0=9

A:

Q: What is the solution? 19 in not correct..

A: Given that, seven prizes are to be given to seven different people in a group of nineteen. First…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.