Math, asked by shashikalakadaba, 10 months ago

the thirteenth term of an ap is two times its tenth term and the third term is 6 more than two times its sixth term. find A.P

Answers

Answered by kmb2972

11

Answer:18,15,12.......

Step-by-step explanation:

a 13 =a+12d=2×a10

a+12d=2(a+9d)

-a-6d=0.........(1)

a3= a+2d= 2(a+5d)+6

-a-8d=6..........(2)

By(1)-(2):

-2d=6

d= -3

a= 18

A.P: 18,15,12.....

Previous Question

Next Question

Similar questions

Computer Science, 5 months ago

A. Fill in the blanks. 1. A chart shows the _______ between different elements of data. 2. The Charts group is present on the _______ tab. 3. In a bar chart, the categories of data are shown along the _______ axis. 4. A _______ chart shows the contribution of each category of data towards the sum of all the data. 5. A _______ chart shows data using vertical bars.

English, 5 months ago

Please answer quickly. it is urgent. it is my homework.

English, 5 months ago

Fill in the blanks with appropriate prepositions : (i) This material is different___ that. (ii) You should explain this___ them. (iii) I haven't been to the theatre___ a long time. (iv) He goes to school___ car.

Math, 10 months ago

In a trapezium, if dist um, if distance between parallel sides is 6 cm and lengths of the parallel sides are 7 cm and 8 cm respectively then find the area of the trapezium...

Science, 10 months ago

two reasons of fusing the bulb...

Math, 1 year ago

a cuboid is of dimensions 60 CM X 54 CM x 30 cm how many small cubes with side 6 CM can be placed in the given cuboid give answer with full solution...

Math, 1 year ago

How to find a diagonal of a kite q no. 15.. Please help me...

History, 1 year ago

from - ch 6 peasants and farmers class - 9 board - CBSE $plz \: answer \: fast$ ...