The weighted mean of first n natural numbers, whose weights are equal to the squares of corresponding numbers is : (A) "*1 Зп (п + 1) (B) 2 (2n + 1) (n + 1) (2n + 1) (C) п (п+1) (D) 2.

Q: +... If 2 = e1#1+a202+..tan#n, where a + a + .. + a, = 4. Find 42 22

A: Let us consider a function z=f(x1,x2,x3,⋯⋯⋯⋯,xn) then the partial derivatives is given as  ∂z∂x1,…

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A: A. Since the empty set is a subset of every set. Thus, ∅⊆q,y,z is true.

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A: Chain rule: If w is differentiable function of x, y, z and x, y, z are differentiable functions of…

Q: E. Let A = [-2,2] and B = {(-1/n, 1/n) ne N}. Determine the following: 1. U A\B 2. U ANB BEB BEB

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Q: 20 R] 12 16 T.

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Q: the result when 2x + 3x2-6x - 16 is divided by a -2?

A: Given: Px=2x3+3x2-6x-16, gx=x-2

Q: 3.) If p<0 andq<0, then peq<0. Is this always, sometimes, or never true? Explain your reasoning…

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A: Formula for combination  nCx=n!/(x!(n-x)!) Formula for permutation  nPx=n!/(n-x)!

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A: Theorem  sum of opposite angles of cyclic quadrilateral is  equal to 180°

Q: 5.) Find the value of x. B. A, LO

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Q: Name the transversal. 3. 5/6 7. 8. A. Line L B. Line M C. Line N D. There is no transversal 1.

A: The objective is to name the transversal.

Q: For which of the following values of a it is true that 5 +7Z =a+7z A.16 B.19 C.17 D.20 E.18

A: To find the value of a

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A: Here, the given expression is 6x4-x2-2Let us try to convert the expression into Quadratic.

Q: Is this true or false? See attached image. Thank you

A: False, the given statement is false.

Q: In r dx 7.)

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Q: 4. Evaluate de /20 — Ө2

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Q: a. 5+ (a + b) = 5+ (b + a) b. 5(a + b) = 5a + 5b C. 5(ab) = (5a)b d. 5.1=5 = 1.5

A: a. 5+(a+b)=5+(b+a) is commutative property. b. 5(a+b)=5a+5b is distributive property. c. 5(ab)=(5a)b…

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Q: y = x² - 4

A: as per guideline i can solve only first question

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A: