Question

class 11th trigonometric function exercise 3.3

class 11th trigonometric function exercise 3.3

class 11th trigonometric function exercise 3.3

10 maths

If cost price of 5 cars is equal to selling price of 4cars. Find the percentage of profit or loss?

an = (-1)n-1 × 5n-1

1. Pls give easy ways of solving the questions the solution is so difficult so,pls solve the problem in easy methods.!!