sebuah kuboid bertapak segiempat sama dengan panjang sisi
x m dan tinggi t m mempunyai isi padu 27 m. cari nilai x
dan nilai t supaya jumlah luas permukaan kuboid itu adalah
minimum.

Can someone explain the elimination method to me for this problem?

We must first determine the shape of a rectangular prisms _ a0 to find area of the prism

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?