Stress is a psychological and physical response to challenging or threatening situations. It is commonly characterized by feelings of being upset, annoyed, anxious, or hopeless. When a person faces difficulties or pressures, the body reacts by releasing stress hormones, which prepare the individual for “fight or flight.” However, prolonged stress can negatively affect mental and physical health, leading to anxiety, depression, and other disorders.
Characteristics of stress:
Understanding stress and managing it through relaxation techniques, time management, and support is essential for mental well-being.
Three students, Neha, Rani, and Sam go to a market to purchase stationery items. Neha buys 4 pens, 3 notepads, and 2 erasers and pays ₹ 60. Rani buys 2 pens, 4 notepads, and 6 erasers for ₹ 90. Sam pays ₹ 70 for 6 pens, 2 notepads, and 3 erasers.
Based upon the above information, answer the following questions:
(i) Form the equations required to solve the problem of finding the price of each item, and express it in the matrix form \( A \mathbf{X} = B \).