(a) Is 3 {1, 2, 3}? YesNo (b) Is 2 ⊆ {2}? YesNo (c) Is {2} {1, 2}? YesNo (d) Is {3} {1, {2}, {3}}? YesNo (e) Is 2 {2}? YesNo (f) Is {2} ⊆ {1, {2}, {3}}? YesNo (g) Is {1} ⊆ {1, 2}? YesNo (h) Is 1 {{1}, 2}? YesNo (i) Is {1} ⊆ {1, {2}}? YesNo (j) Is {2} ⊆ {2}?

Q: b2 over b-a + a2 over a-b

A:

Q: (14x- 13) 4x + 13) (6x + 2)

A:

Q: Select all expressions that are equivalent to (2n +6)(n+ 3). O a 2(n? + 6n + 9) 2n+ 6n +18 Oc 2n…

A: Given,  => (2n + 6) (n + 3)  Taking '2' common from expression , => 2 (n +3) (n + 3)

Q: 32][39]+[B][7] 7:0 15

A: Given query is to perform indicated matrix operation.

Q: Perform the indicated operations. (2 5 -3 (a) -2 5 3 2 4 7 -5 (7 -5 + (0 -3 8 –6 (b) 3 -2 (2 5 (c) 4…

A:

Q: (7-3)(4+10)+3

A: Solve the given equation

Q: Z, x Z3 and Z3 × Z3 × Z3 Z21 and Z3 × Z,

A: CASE 1 In case of ℤ9×ℤ3, there exist at least one element of order equal to lcm(3,9)=9 In case of…

Q: 45 73 73 17 13 43 )0 (B) 2 (C) 7. (D) 8 (E) 9

A: We can observe that in left box there is 5 which is 4+1 of the right box. Hence similarly, X should…

Q: 5 Which of the following is the standard equation of the ellipse with vertices at (1, 0) and (27, 0)…

A: To find the standard equation of the ellipse

Q: 200 (28+31-8 (2) +4 (9) +15)

A:

Q: (a + b) (a+b+c) = a² + 2ab + b² + ac + bc Select one: O True O False

A: Solution-

Q: 2(n-3)+n(2-n)=2-n2

A:

Q: What is the product of 3 and 3?

A: To find the product of given irrational numbers.

Q: in how many ways can 2n people form n pairs to play n simultaneous tennis matches?

A: Solution: There are total 2n people.  Let us start with one person, say A1 A1 can pair up with…

Q: 12. (2a² – 3a) + (5b – b²)+ (2a – 8b) 14. (3x – 2)-(5x-4)+(19+2x) 16. (6m² +7)-(-2m²)+(2m – 3)

A: