Math, asked by A6arimpdjsuthu, 1 year ago

what is the common difference of an A.P.in which a21-A7=84

Answers

Answered by sambhavjain3

1

a+20d - a - 6d =84
14d=84
d=6

Previous Question

Next Question

Similar questions

Geography, 10 months ago

Fill in the blanks: 1. The first oil well was drilled in in the USA.

Social Sciences, 10 months ago

evaluate the challenges to free and fair election.

English, 10 months ago

Select the most suitable word from the box given below to complete the following sentences: swarm pride group (5M) bundle pack 1.a _______ of people 3. a ______ of boys 5.a ______ of puppies 7.a _______ of lions 9.a ________ of bees V. Reference to context: (a) litter fleet crowd 2. a _______ of cars bunch pile 4. a ________ of sticks 6. a _________ of clothes 8.a...

History, 1 year ago

Which is a the most common route for investment by mnc in countries around the world...

Physics, 1 year ago

The bulb does not glow in the experiment set-up shown in the given figure. List the possible reasons.

Business Studies, 1 year ago

sahil is an industrialst and converting cotton into cloth. his industry will be called...

English, 1 year ago

Though Aram is younger than cousin Mourad but still he is more considerate . Justify...

English, 1 year ago

Describe the first meeting of Narrator with Mrs.Dorling at Number 46,Marconi street .