Math, asked by HulkVerine, 1 year ago

7 times of 7th term of AP is 11 times of 11th term of AP find 1st and common difference????

Answers

Answered by abcd157

1

7(a+6d)=11(a+10d), 7a+42d=11a+110d, 11a-7a+110d-42d=0, 4a+68d=0,4a=-68d,a=-68/4d,a=-17d,d=-a/17 answer

Previous Question

Next Question

Similar questions

Math, 7 months ago

A and b together can do do a piece of work in 3 days, but alone can do in in 12 days . How many days the b alone to do the work tell by explanation...

Math, 7 months ago

Given a square with area A. A circle lies inside the square, such that the circle touches all sides of the square. Another square with area B lies inside the circle, such that all its vertices lie on the circle. Find the value of A/B ...

Social Sciences, 7 months ago

How does the atmosphere act as a blanket around. the Earth?

Math, 1 year ago

write the set builder form.

Chemistry, 1 year ago

(50 points) hey friends✋✋ Content quality answer required★★★ plz help me solve this questions 1.What happens when mercuric oxide (HgO) is heated? Give chemical equation. 2.Oxidation is a process which involves---- (a)Removal of hydrogen (b) addition of oxygen (c)removal of oxygen (d) addition of hydrogen 3.Reduction involves-----(a)Removal of hydrogen (b) addition of oxygen (c)removal of...

Social Sciences, 1 year ago

mixture of chalk in water posses all the following except 1)their particles can be seen by naked eye 2)it can be separated with filtration 3)It is stable 4)it is heterogeneous...

Physics, 1 year ago

Which state of matter has the least interparticle spaces...

English, 1 year ago

what is the full form of pto...