Exercise 2. Let X be a topological space. Endow Xx X with the product topology. Consider the map f: X→ X x X, x→ (x,x). Its image f(X) is the diagonal Ax = {(x,x) | x = X}.} d) Give an example of a topological space X such that Ax is not closed in X X X. c) Endow R² edsedna to polquiszo

Q: Evaluate x²+3x+5

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Q: 1-2(3t)/(3t)1/2

A: 1-2(3t)/(3t)1/2  =   = 1-2(3t)(3t)-1/2    = 1-2(3t)1-1/2    = 1-2(3t)1/2…

Q: 12 R 10 5

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Q: y X (9, –3)

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Q: Every row operation is reversible. O True O False

A: Every row operation is reversible.

Q: r A D C

A: We have given a diagram;

Q: 18) 2x y

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Q: S 3x+6 (1+ 8х+ 2х2)s dx

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Q: 2'dr

A: Explanation and solution is given below....

Q: A 2/15 B 30 V35 5 20

A: Given,  A circle with secant and tangent  We have to find the value of x

Q: Find the LU factorization of A = A = 1 1 -3 0 9 3 -17 5 2

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Q: 2070 = (16a + 10)15

A: 2070 = (16a+10)15 And (16e+11)17 =3723 To find  the values of a and e

Q: A) Suppose F(xy)- М(х,у) і + N(x,y) j is a vector field on the xy plane such that F•dr = 0 Se I F•dr…

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Q: 5 and 2/3 feet + 4 and 1/6 feet

A: Answer  - 5 and 2/3 feet +4 and 1/6 feet

Q: (カナ) 2.

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Q: If m 2 50, which diagram represents ở drawn in standard position? O A. O B. O C.

A: Option D is correct..

Q: Letters b, c, d and e.

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Q: REVIEW: 16) Given: X is the midpoint of both AD and BC. Prove: AABX = ADCX 1) X is the midpoint of…

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Q: C and D

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Q: dt t²Vt² – 16

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