Home
Class 10
MATHS
Write the 2nd term of the AP, if its S(n...

Write the 2nd term of the AP, if its `S_(n)=n^(2)+2n`.

Promotional Banner

Topper's Solved these Questions

  • 2020 QUESTION PAPER (1)

    AGRAWAL PUBLICATION|Exercise EXERCISE|33 Videos

Similar Questions

Explore conceptually related problems

Second term of the AP if the S_(n) = n^(2) +2n is ………

Second term of the AP if the S_(n) = n^(2) +n is ………

The sum of the first n terms of an AP is given by S_(n) = 3n^(2) — 4n . Determine the AP and the 12th term.

The sum of the first n terms of an AP is given by S_(n) =n^(2)+5n .find the sixteenth term of the AP.

The sum of first n terms of an AP is given by S_(n)=2n^(2)+3n. Find the sixteenth term of the AP.

If the sum of n terms of an A.P.is S_(n)=3n^(2)+5n. Write its common difference.

If the sum of n terms of an A.P. is given by S_(n) =(3n^(2)+2n) , find its n^(th) term.

If the sum of n terms of an AP is given by S_(n)=3n+2n^(2) then common difference of the AP is

If s_(n) the sum of first n terms of an A.P, is given by s_(n)=5n^(2)+3n, then find its n^(th) terms.

AGRAWAL PUBLICATION-(2019) QUESTION PAPER-EXAMPLE
  1. Write the 2nd term of the AP, if its S(n)=n^(2)+2n.

    Text Solution

    |

  2. Check whether g(x) is a factor of P(x) by dividing polynomial p(x) by ...

    Text Solution

    |

  3. Find the area of the triangle formed by joining the mid-points of the ...

    Text Solution

    |

  4. Draw the graph of the equations x-y+ 1 = 0 and 3x + 2y - 12 = 0. Using...

    Text Solution

    |

  5. Prove that sqrt 3 is an irrational number.

    Text Solution

    |

  6. Find the greatest number which on dividing 1251, 9377 and 15628 leaves...

    Text Solution

    |

  7. A,B and C are interior angles of a triangle ABC. Show that sin[(B+C)/2...

    Text Solution

    |

  8. If angle A = 90^@, then find the value of tan [(B + C)/2]

    Text Solution

    |

  9. If tan(A +B) = 1 and tan(A - B) = 1/ sqrt 3, 0^@ < A + B < 90^@, A>B, ...

    Text Solution

    |

  10. In Figure, PQ is a chord of length 8 cm of a circle of radius 5 cm. Th...

    Text Solution

    |

  11. Prove that opposite sides of a quadrilateral circumscribing a circel s...

    Text Solution

    |

  12. Water in a canal, 6 m wide an 1.5 m deep, is flowing with a speed of 1...

    Text Solution

    |

  13. A class teacher has the following absentee record of 40 students of a ...

    Text Solution

    |

  14. A car has two wipers which do not overlap. Each wiper has a blade of l...

    Text Solution

    |

  15. A pole has to be erected at a point on the boundary of a circular park...

    Text Solution

    |

  16. If m times the m^(th) term of an Arithmetic Progession is equal to n t...

    Text Solution

    |

  17. The sum of the first three numbers is an Arithmetic Progression is 18....

    Text Solution

    |

  18. Construct a triangle ABC with side BC = 6 cm, AB = 5 cm and angle ABC ...

    Text Solution

    |

  19. In Figure, a decorative block is shown which is made of two solids, a ...

    Text Solution

    |

  20. In Figure, a decorative block is shown which is made of two solids, a ...

    Text Solution

    |

  21. A bucket open at the top is in the form of a frustum of a cone with a ...

    Text Solution

    |