Find x for which det(A)=0 7-x -2 A = 1- x 0. 5- x The sum of the answers is....

Q: Construct an example ot 7(x) that is detined at every point in a closed Interval and whose values ał…

A:

Q: Calculate the first three moments E [(X-µ)^n] where X~N (µ, σ²) and n≥1 are integers.

A:

Q: The sum of n,2n,3n terms of an AP are S1,S2,S3 respectively.Prove that S3=3(S2-S1)

A:

Q: using the false - position to doter mine the voot of the eqution fcx) = 0-7 x5- 8X* +44 x-90 x+82 X…

A: Suppose the root of the function f(x) lies in the interval xl,xu. To obtain the solution of the…

Q: P is of degree 2; P(0)=4; zeros -1, 4?

A: Write the standard form of polynomial with the help of zeros.

Q: The sum of the first p,q.r tems of an A.P. are a,b,c respectively. b Show that (4 -r)+…

A:

Q: Determine the particular solution1 1. (2-r) dr=rsin 0 de; when 0 0 and r 1

A: The given differential equation is 2-r2dr=r2sinθdθ. Rewrite the above differential equation as…

Q: An instructor of mathematics wishes to determine the relationship of grades on a final examination…

A:

Q: Evaluate (a) Ex=0 Xp(X) and (b) Ex=0 X² p(X), where p(X) = (Np°q\ -x. %3D

A: The expectation of a discrete random variable X is a measure of central tendency of the probability…

Q: If X is uniform in the interval [-3,3] compute X(i.e. E{X}) and o² (i.e.E{(X-X)²}).

A: Given that X ~ U[-3,3] to find mean and variance

Q: in class of N students where girls and boys and boys ratio is p:q savita ranked rth from the top. if…

A: Total number of students in class= N Ratio of girls to boys: p:q And it is given that Savita ranked…

Q: (c) Two real numbers X and Y are chosen at random in the interval (0, 1). Compute the probability…

A: Let's assume that set of numbers X,Y|X,Y∈0,1 form a unit square, whose vertices are (0, 0), (0, 1),…

Q: (d) For k satisfying -8 < k < k + 4 < 8, compute P(k < X < k + 4). (Round your answer to two decimal…

A:

Q: 3. Find the correct form of x(s) and stop. State x(s) as a single fraction. x" +7x' + 6x = 2t x(0) =…

A: Explanation of the answer is as follows

Q: Find the value of t so that t 4 -4| 2 3 3=4 4 5 0

A:

Q: Use the substitution method to show that the solution of T(n) = 2T(n/3) + n2is O(n2)

A: Given that T(n)=2Tn3+n2 To show that it is O(n2).

Q: Sam and Michael are running a race. They start at the same time, and the race between these…

A: Sam and Michael are running a race. They start at the same time, and the race between these…

Q: Using only a simple calculator, find the values of k such that det(M)=0, where M=⎣−1 k 0 1 1 k 1 1…

A:

Q: Find all values of n such that y = xn satisfies x2y" - 12y = 0

A: To solve the equation x2y''-12y=0, we first need to find y''. y'' can be obtained by differentiating…

Q: 4. Find all values of x satisfying In[(2x + 1)(x +2)] = 2 In(x+2). Verify the values of x you found…

A:

Q: E-o(-1)"(n+ 1) x“ = (1+x)² 1 2.b) for |x| < 1 %3D n=0

A:

Q: Q-2: For what values of a, m and b does the function: 3, f(x) = -x² + 3x + a, 0<x <1. (mx + b, 1<x<…

A:

Q: Ex : Express the Sum o+ 2+4+6+8 in Sigma nata tion. -2

A:

Q: Find the value of the summation. E (2 – 3) = k= 0 of

A: We can find the summation value as below.

Q: For which situation is n = EX? a. when the values of X have no duplicates b. when the values of X…

A: Solution:- We have given that,      for which situation is  n=Σ X ?

Q: Senes anverges diverger. if Aavergent, tnd Hhe sum 2n n t2 to h? + 2n

A: a) ∑n=1+∞2nn+2 here an=2nn+2 using series divergence test if limn→∞an is either does not exist or…

Q: Find the value of x in Q. x=___

A: A line perpendicular from centre of a circle to the chord is bisect the chord.

Q: Then k is equal to

A: We know that integration of density function over whole range of x, is always 1. We will use this…

Q: Let a +0 be any real number different from 0. If y = f(x) is the solution of y" – ay" = -48+48ax,…

A: the given differential equation is  y'''- a y''= -48 + 48 a x      .....(1) the associated…

Q: Compute V(X) (in GB2) using the shortcut formula. (Enter your answer to four decimal places.)

A: Introduction: A random variable is a variable with an unknown value or a function that gives values…

Q: (b) Pr[X > 0.6n] < 0.85. Let X be the number of HEADS after n fair coin tosses. Show that

A:

Q: Let X be a xỉo. Calculate a+o², so that P(X <a)=0.25. Provide a numerical answer only, no need for…

A: We have given that  χ210 Find a+σ2 P(x&lt;a)=0.25

Q: Which of these is a possible solution for cscx + Oin the interval 0 < x < 2r? O x = 3 O x = 3

A:

Q: ( Σα - xi-1) = x = x for n > 2. i=2 11 IDDLE: following "proof" th

A: Given that c, x1, x2, ..., xn, y1, y2, ..., yn are 2n+1 given numbers.

Q: Which of the following statements is true of Lydia at time 24? She's driving towards her house at a…

A: The graph between Time elapsed and distance( blocks from home). We have to find which of the above…

Q: - Given y= ela's -x²-In'r, what is y'?

A:

Q: -> (6) 금 AxB) at t-1 at t=1 (1) A X 4P

A:

Q: Q(x) = √3/2+² Ser fet de Prove that & QQ (-∞ ) = 1

A: Here we can use Gamma function formula Γn = ∫0∞ xn-1 e-x dx to evaluate the given improper integral.…

Q: the solution to 1/2(x+1/2)1/2x=3/4 isin which of the following intervals.  a) (0,1/3) b) (1/3,2/3)…

A: The objective is to find solution interval of equation: 12x+1212x=34we are considering this, since…

Q: = 0 in the interval x e [0,21]? Which of these is a possible solution for cscx+ O a) x- X = O b) x -…

A: image is attached

Q: (a) Compute P(x² ≤ 14). Round your answer to at least three decimal places. P(x² ≤14) = (b) Find &…

A:

Q: ind positive numbers x and y satisfying the equation xy=21 such that the sum 3x+y is as small as…

A: GIVEN DATA : Positive number x &amp; y satisfying equation xy=21 and the sum 3x+y is small.…

Q: Using only a simple calculator, find the values of k such that det(M)=0 where M=[10 k 0 1 1 k 1 1 1]…

A: Determinant: The Determinant is a scalar value that is a function of the entries of a square matrix.…

Q: a x In the experiment of tussing a fair coin is the randam variable giving 3 times the number of…

A: Given three fair coins are tossed. So PX = 0 = 18P(X = 1) = 38P(X = 2) = 38P(X = 3) = 18

Q: 5. Find the general solutions to the nonhomogencous, lincar difference cquations. (a) x,12 + X141 –…

A:

Q: 1 Hence find E"=3 (r-1)(r-2)

A: In the question it is asked to simplify the equation ∑r=3n1(r-1)(r-2)

Q: 1. a)For what interval(s) is h(x) = 2x + 10 positive? b) For what interval(s) is h(x) = 2x + 10…

A: Given 1. h(x)=2x+10 and 2. y=-x2+36