The sum of first 'm' terms of an A.P is 'n' and the sum of first 'n' terms is 'm', then show that the sum of first (m+n) terms is -(m+n). The most appropriate and fastest answer will be marked as the brainliest at once. Please respond ASAP.
please explain the necessity of a political party
sakash2209
Asked:
December 2022
In a flight of 2800 km, an aircraft was slowed down due to bad weather. Its average speed is reduced by 100 kmph and time is increased by 30 minutes. Find the original duration of the flight.