Home
Class 11
MATHS
The seventh term of an arithmetic progre...

The seventh term of an arithmetic progression in 30 and tenth term 21.
(i) Find the first three terms of anb A.P.
(ii) Which term of the A.P .is zero (if exists).
(iii) Find the relationship between slop of the straight line and common different of A.P .

Promotional Banner

Topper's Solved these Questions

  • TWO DIMENSIONAL ANALYTICAL GEOMETRY

    FULL MARKS|Exercise EXERCISE - 6.1|15 Videos

  • TWO DIMENSIONAL ANALYTICAL GEOMETRY

    FULL MARKS|Exercise EXERCISE - 6.2|15 Videos

  • TRIGONOMETRY

    FULL MARKS|Exercise Exercise 3.12|20 Videos

  • VECTOR ALGEBRA-I

    FULL MARKS|Exercise ADDITIONAL PROBLEMS|26 Videos

Similar Questions

Explore conceptually related problems

Find the sum of the first 30 terms of an A.P. whose nth term is 3 + 2n.

If the sum of first 75 terms of an A.P. is 2625, then the 38^(th) term of the A.P. is

Find the sum of the first 28 terms of an A.P. whose nth term is 4n-3.

Find the 9th term of A.P. -11, -15, -19, …

The first term of an arithmetic progressions is unity and the common difference is 4. Which of the following will be a term of this A.P.

Let fourth therm of an arithmetic progression be 6 and m^(th) term be 18. If A.P has intergal terms only then the numbers of such A.P s is "____________"

FULL MARKS-TWO DIMENSIONAL ANALYTICAL GEOMETRY -Additional Questions Solved
  1. The seventh term of an arithmetic progression in 30 and tenth term 21....

    Text Solution

    |

  2. A point moves so that square of its distance from the point (3,-2) is ...

    Text Solution

    |

  3. Find the Locus of the mid points of the line x cos theta + y sin theta...

    Text Solution

    |

  4. Show that the locus of the mid - point of the segment intercepted betw...

    Text Solution

    |

  5. The line x/a+y/b=1 moves in such a way that 1/a^2+1/b^2=1/c^2 . Wehre ...

    Text Solution

    |

  6. Find the equation of a straight on which length of perpendicular from ...

    Text Solution

    |

  7. Find the equation of the line which passes through the point (-4,3) an...

    Text Solution

    |

  8. If the intercept of a line between the corrdinatinate axes is divided ...

    Text Solution

    |

  9. Find the equation of the straight line which passes through the point ...

    Text Solution

    |

  10. Find the distance of the line 4x - y = 0 from the point P (4,1) measur...

    Text Solution

    |

  11. Find the equation of the line passing through the point (5,2) and perp...

    Text Solution

    |

  12. Find the equation of the line passing through the point of intersectio...

    Text Solution

    |

  13. A line points (a,2a) and (-2,3) is perpendicular to the line 4x + 3y +...

    Text Solution

    |

  14. Find the equation of the straight line which passes through the inters...

    Text Solution

    |

  15. Find the equation of the straight line through the intersection of 5x...

    Text Solution

    |

  16. Find the angle between the pair of straight lines given by

    Text Solution

    |

  17. Show that 9x^2+24xy+16y^2+21x + 28y+ 6 =0 represents a pair of parall...

    Text Solution

    |

  18. If the equation 12x^2-10xy+2y^2+14x-5y+c=0 represents a pair of straig...

    Text Solution

    |

  19. For what value of k does 12x^2+7xy+ky^2+13x-y+3=0 represents a pair of...

    Text Solution

    |

  20. Show that 3x^2+10xy+8y^2+14x+22y+15=0 represents a pair of straight li...

    Text Solution

    |