"Prove that the value of x for the 2 × 2 contingency table a b is given by N(ad-bc)? (a+b)(c+d)(a+c)(b+d) where N = a + b + c + d.

Q: 3) Simplify the multiplication or division statement symbolically (without using tiles). [ a)…

A: Part a,             2x2-3x-2Part b,             5b2+4-3Part c,             9r-21r23Part d,…

Q: If (√3+i) 100 = 29⁹(a + ib), then show that a² + b² = 4

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Q: verify that3(AB) = (3A)B = A(3B)

A: Given matrix

Q: 1. The expression 16x? – 25y? is equivalent to: A) (4x – 5y)? C) (4x – 5y)(4x + 5y) B) (16 – 25)(x?…

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Q: (2.1) Perform the indicated operations: a) (6 m² – 3 m³) (2m + n) b) (5x + 7y) + ( -5x + 2y) c) (2x…

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Q: b. Evaluate (3x - 2) 2

A: Given indefinite integral is  Consider dx=(du)/3" data-mce-style="box-sizing: inherit; user-select:…

Q: (√−81 + 3)(√−25 − 1)

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Q: Show that 2 (-r × B)² = (r² B² – (r. B)²) And, further that r² B² (r. B)² = B² (x² + y²) - If B = B₂

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Q: Let f, g: R - [-1, c0) be functions given by f(x) = x – 3 and g(x) = 2x? – 1 then which one of the…

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Q: let A= [2 4]     B= [-3 0]    C= [-1 -2]            [-3 8]         [4 -1]           [3 -4]…

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Q: nd f(7zº + 5x³) dx Find + C

A: Given:     ∫7x6+5x3dx=∫7x6dx+∫5x3dx=7∫x6dx+5∫x3dxwe know that ∫xndx=xn+1n+1

Q: 8* If 24x² + 72x+3m 6 = (ax + b)² for all x, then find a, b, and m.

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Q: Consider Evaluate 3x)

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Q: 1) 7x - 58x + 16 A) (7x + 8)(x+ 2) B) (7x – 2(x+ 8) c) (7x – 2(x – 8) D) (7x + 2Xx- 8) 2) 2-1-3 A)…

A: According to our guidelines we are supposed to do only first three subparts. kindly repost other…

Q: 2) Draw the algebra tiles representing (4x² - 8x) + 4 and state your answer. (4x²8x) + 4 =

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Q: 16. When (2x- 3)' is subtracted from 5x, the result is x²-12x-9 2x - 12x + 9 3x + 12x-9 4) x + 12x +…

A: Given:         2x-32 is subtracted from 5x2 is    here 2x-32 is in the form of a-b2=a2+b2-2ab

Q: Since it is known that x2 + y? = c², write the expression below in terms of c2 -2(x8+ y®) + 28(x6+…

A: -2(x⁸+y⁸) = -2{(x⁴+y⁴)² - 2x⁴y⁴} = -2{(x²+y²)² - 2x²y²}² + 4x⁴y⁴ = -2(c⁴ - 2x²y²)² + 4x⁴y⁴ = -2(c⁸ -…

Q: %3D 12) Za-ab-b*. a-6² 3x-2 2-3x 6x²+x -1 8x+4 A. 4(2a-6) (a-b)(3x-1) A: -2 3x-2 B: B: -4(2a-6)…

A: 11) The given expression is 2a2-ab-b26x2+x-1÷a2-b28x+4 Simplify the expression…

Q: 3x2 17x+ 10 A) (3x-5)(x- 2) B) (3x+ 2)(x+ 5) C) (3x+5)(x+ 2) D) (3x-2)(x- 5)

A: Given: 3x2-17x+10

Q: Explain How does = K/K+1)/2K+1) + / K+ 1)² = + (K+1) (2K² + K +6K+6) to me:

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Q: Calculate  i)  -3 x (-4) + 2  - (-15 + 9)  – 5 x -2 =

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Q: What is the exact value of Cos 13л 12 ?

A: let H=

Q: B) Find m42 if mz1 = (4x - 7)º and m42 (10x+13)°. +11 = 2 P

A: To find m∠2 if m∠1=4x-7° and m∠2=10x+13°.

Q: શે-2 – 7) 4x(3-2x) 1$'+107 d) (12x – 6x) + (3x) f) -8y* +24y 4y

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Q: 2. Simplify √√x² +9-5 x+4

A: Topic - Simplification

Q: 320v-2880³ +2560 = 0

A: I have stated the used formula at the bottom of the solution.

Q: If Q(x) = 7x³ + x and R(x) = 6x – 7x², find the following: %3D a) (Q – R)(x) =|| %3D b) (Q * R)(x)…

A: Given: Qx=7x3+x, Rx=6x-7x2 For finding Q-Rx,we substract Rx from Qx

Q: What is (1 + i)?

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Q: (b). Apply the indicated operator 4²(x³ + 6x² + 2x). [CLO-1: LOL: C-3, PLO- 1].

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Q: 4. Which of the following is equivalent to 3x3- 12x +x-4? A (x 4) (322 +1) (a - 4) (322- 1) C (7 +…

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Q: C. Remove all grouping symbols and simplify 13. 2x-[(3y + 5x)-(8x-6y)] 14. 4a²-5(a + 3b)-[2(a² +…

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