Cho X = , với mỗi x = (x1, x2, x3) X, đặt || x || = | x1 | + | x2| +|x3| . Chứng minh rằng X cùng với ánh xạ trên trở thành một không gian Banach với các phép cộng và nhân thông thường.

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?