14. Given: AB | DC; AB = CD; 21 = L2 To prove that DE = BF, what would you prove first? a. AADE = ACBF с. ДАВС ДСDA b. AABF = ACDE d. cannot be proved A B. 2

Q: 5) If w = 4i + 4j, find 2w. 6) If v = 3i - 5j and w = -7i + 4j, find 3v - 4w. 7) If v = -4i + 4j,…

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Q: 4-IN THE ADJACENT FIGURE, IF AB = AC AND DB = EC, PROVE THAT ABEC = ACBD

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Q: If (x + iy)/3 = 3 - 4i , where x, y e R, evaluate O a. -50 O b. 50 O . -28 O d. 28

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Q: A 2. Find the distance between (-1, -7) and (5, 9). O 2v13 O 2v73 O v22 O 2V5

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A: Topic:- Matrix algebra

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Q: Suppose that A = {1} and B = {u, v}. Find A x B. Find P(A x B) .

A: Here the given sets are                                   A={ 1 }…

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Q: 6 If Z = X+yi ,Z, =X,+y, i.where X, % > Xg Y ave real numbers and 1Z+z,=Z-Z, prove That L i s real…

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Q: 2 let -27 Aslo -3 1470 -4 find AB+BA,AA"AA, (3A=2B)°C A'C..

A: "Since you have posted a question with multiple subparts, we will solve first three subparts for…

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A: We have to integrate ∫5xx2-1dx.

Q: (b-) Given    A =  2       8                                        B =  2       0            3…

A: If we have two matrices M and N. Matrix M has m rows and n columns. Matrix N has p rows and q…

Q: (7) ² Fi²+ Fi²+ ² Fi Fz Cos/20 49=F₁²+ F²-FiFe- tan 8= 48- = 4√3 4√3= F₂S in 190 Fit F₂ Golze $7…

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Q: 7. dz | zV 36z2 - 25

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Q: (z + y)? 12. Prove: I = y if and only if ry Note, you will need to prove two 4 "directions" here:…

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Q: Drag the A to (08) 40 -6 -2 -8 40 4. 4. 6.

A: We have to drag A to (0, 8)

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Q: Q= 4yx - y: then øV .at (1,-2,-1) .a oV = 65i +432j+ /34k .b V =-24i+8j+8k

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Q: 2/ If it was AA¹ 2 A true Error д 2 -7 5 الموضوع -4 SO

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Q: 2. If A = 2i + 2j-k and B 3i-6j + 2k, find (i) AB and (ii) AX B.

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Q: prove. that s U. W V- W 1. U.r V.r

A: Using the vector triple product, it can be written that: a→×b→×c→=a→·c→b→-b→·c→a→. Using the scalar…

Q: Question no 05: 2 -2 16 2 If A=- B 0 25 Evaluate: 1. AxB 2. BxC 3. СхА

A: We are solving the first three subparts and for the next subparts post the question again and…