Home
Class 10
MATHS
If the sum of first p terms of an A.P is...

If the sum of first `p` terms of an A.P is equal to the sum of first `q` terms, then show that the sum of its first `(p+q)` terms is `zero`.`(p ne q)`.

Promotional Banner

Topper's Solved these Questions

  • Arithmetic Progression

    CHETANA PUBLICATION|Exercise EXERCISE|73 Videos
  • BASIC CONCEPTS IN GEOMETRY

    CHETANA PUBLICATION|Exercise EXAMPLE|14 Videos

Similar Questions

Explore conceptually related problems

If the sum of first p terms of an A.P is equal to the sum of the first q terms, then show that the sum of its first (p+q) terms is zero. (p ne q) .

If the sum of p terms of an A.P is equal to the sum of q terms, then show that the sum of its p+q terms is zero.

If m times the mth term of an A.P is equal to n times its nth term then show that (m+n)th term of the A.P is zero .

If for an A.P, the 1st term is 2 and the 10th term is 48, then what is the sum of the first 10 terms?

Find the sum of first 100 terms of A.P. 14, 16, 18,……..

If sum of 3rd and 8th term of an A.P is 7 and sum of 7th and 14th term is -3 , then find 10th term.

If the first term of a G.P. is 2 and the sum of infinity is 6. Find the common ratio.

Sum of first 55 terms in an A.P is 3300 . Find its 28th term.

If first term of an A.P is a , second term is b and last term is c , then show that sum of all the terms is ((a+c)(b+c-2a))/(2(b-a)) .

CHETANA PUBLICATION-Arithmetic Progression-EXERCISE
  1. If the sum of first p terms of an A.P is equal to the sum of first q t...

    Text Solution

    |

  2. The sequence -10,-6,-2,2,….. a)is an A.P, Reason d=-16 b)is an A.P, Re...

    Text Solution

    |

  3. First four terms of an A.P are…………, whose first term is -2 and common ...

    Text Solution

    |

  4. What is the sum of first 30 natural numbers? a)464 b)465 c)462 d)461

    Text Solution

    |

  5. For a given A.P., t7=4, d=-4 then a=……… a)6 b)-7 c)20 d)28

    Text Solution

    |

  6. For a given AP, a=3.5, d=0, n=101 then tn=………. a)0 b)103.5 c)104.5 d)...

    Text Solution

    |

  7. In an A.P, first two terms are -3, 4, then 21st term is……….a)-143 b)14...

    Text Solution

    |

  8. If for an A.P, d=5 then t18-t13=……………a)5 b)20 c)25 d30

    Text Solution

    |

  9. Sum of first five multiples of 3 is……a)45 b)15 c)55 d)35

    Text Solution

    |

  10. 15, 10, 5,…… In this A.P the sum of first 10 terms is…..a)-75 b)-125 c...

    Text Solution

    |

  11. In an A.P, 1st term is 1 and the last term is 20.The sum of all terms ...

    Text Solution

    |

  12. For the A.P: 4,9,14…… t11=…..a)49 b)54 c)59 d)44

    Text Solution

    |

  13. If a=6, d=3, then S10=……a)192 b)195 c)198 d)201

    Text Solution

    |

  14. The sum of first 10 natural numbers is ..... a)55 b)155 c)310 d)210

    Text Solution

    |

  15. Which of the following sequence is not an A.P? a)0.5,2,3.5,5,…. b)3,5,...

    Text Solution

    |

  16. Find the missing term in the A.P: -5, ...., 13 a)1 b)4 c)2 d)3

    Text Solution

    |

  17. Find the t2 of the sequence for which S1=2,S2=12 and S3=30 a)24 b)1 c)...

    Text Solution

    |

  18. For an A.P if t4=12 and d=-10, then find a. a)-18 b)42 c)-5 d)21

    Text Solution

    |

  19. The next two terms of the given sequence 1,3,7,15,31….. are: a)42, 54 ...

    Text Solution

    |

  20. In an A.P, a=8, tn=62, Sn=210, then find n. a)5 b)6 c)7 d)8

    Text Solution

    |

  21. The sum of first n terms of an A.P. is Sn=………… a)n/2[t1+tn] b)n/2[2+(n...

    Text Solution

    |