Prove that In(a+b) ~ Ihat (bla), when bea

Q: 22] calculate the number of combination and permutation of, 5 distinct objects taken 2 at time?

A:

Q: A sales assistant is hanging 12 sweaters on a rack. He has 3 gray sweaters, 4 brown sweaters, and 5…

A: 3 - grey 4 - brown 5 - black  ... 12 total

Q: Prove that AABC A DEF. C=12. D2,4) E(4, 2) 6-14.214 A6 4)

A: Compare the lengths of both the triangles.

Q: -, first prove that )" 6.

A:

Q: Let W(x, y) mean that student x has visited website y, where the domain for x consists of all…

A: We have given that, Wx, y=student x has visited website y. Here domain for x consists of all…

Q: Can you find a,b,c, and d (if exists) such that AB = BA.

A:

Q: Let . Compute Ilü||?. 7

A: Given query is to find the Indicated vector operation

Q: Prove (1.2), (1.3), and (1.4).  

A: (a) Let x∈A∪B So, ⇔x∈A or x∈B⇔x∈B or x∈A⇔x∈B∪A So, A∪B=B∪A

Q: For what values of aand b is {u, v} an orthonormal set?

A: A set of vectors form an orthonormal set if all the vectors in the set are mutually orthogonal and…