Question

A dealer has 15,000 only for purchase of rice and wheat. A bag of rice costs 1,500 and a bag of wheat costs 1,200. he has storage capacity of ten bags only the dealer gets a profit of 100 and 80 per bag of rice and wheat respectively formulate this as a linear programming problem to get maximum profit and solve it graphicaly.

Ex 4.6,12   i have a doubt in this https://www.teachoo.com/3267/693/Ex-4.6--12---Solve-system-of-linear-equations--using-matrix/category/Ex-4.6/ slide number 27  plz check image  https://ibb.co/mQ5jBc

limx→0 (1 - cos^3(x))/(x sin(x) cos(x))

how many lines can pass through a point (3,4)