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If 2x ,x+10 ,3x+2 are in A.P., find the ...

If `2x ,x+10 ,3x+2` are in A.P., find the value of `xdot`

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Given that,
`2x,x+10,3x+2` are in A.P
Then `x+10−2x=3x+2−(x+10)`
`=> −x+10=2x−8`
...
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RD SHARMA-ARITHMETIC PROGRESSIONS-All Questions
  1. If the seventh term of an AP is 1/9 and its ninth term is 1/7, find it...

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  2. The 24th term of an A.P. is twice its 10th term. Show that its 72th...

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  3. If 2x ,x+10 ,3x+2 are in A.P., find the value of xdot

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  4. If the numbers a , b , c , d , e form an A.P. , then find the value of...

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  5. The 9th term of an A.P. is equal to 6 times its second term. If its...

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  6. The sum of 5th and 9th term of an A.P. is 72 and the sum of 7th and...

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  7. The sum of 4th and 8th terms of an A.P. is 24 and the sum of 6th an...

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  8. Write an AdotPdot having 4 as the first terms and -3 as the comon diff...

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  9. Write the first three terms in each of the sequence defined by the ...

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  10. What is 18th term of the sequence defined by an=(n(n-3))/(n+4)

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  11. Show that the sequence defined by an=4n+5 is an AdotPdot Also, find...

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  12. Show that the sequence defined by an=2n^2+1 is not an AdotPdot

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  13. Show that a sequence is an AdotPdot if its n t h term is a linea...

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  14. The n t h term of a sequence is 3n-2 . Is the sequence an AdotPd...

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  15. Write an AdotPdot whose first term is 10 and common difference is 3...

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  16. Write an AdotPdot whose first term and common difference are -1. 25...

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  17. Number of students left in the school auditorium from the total str...

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  18. The amount of money in the account every year, when Rs 10000 is deposi...

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  19. Find the common difference and write the next three terms of the Ad...

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  20. For the following arithmetic progressions write the first term a an...

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