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In an A.P. If m times the m^(th) term i...

In an A.P. If m times the `m^(th) ` term is equal to n times the `n^(th)` term, then find `(mn)^(th)` term .

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In an A.P. if m times the m^(th) term is equal to n times the n^(th) term then find (m+n)^(th) term.

If 6 times the 6^(th) term of A.P. is equal to 9 times the 9^(th) 1 then find its 15^(th) term.

Knowledge Check

  • If m times the mth term of an A.P. is equal to n times its nth term, find (m + n) th term of the A.P.:

    A
    `-1`
    B
    0
    C
    mn
    D
    4

  • In a certain AP, 5 times the 5th term is equal to 8 times the 8th term, its 13th term is

    A
    0
    B
    `-1`
    C
    `-12`
    D
    `-13`

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

    If 10 times the 7 ^(th) term of an A. P. is equal to 5 times its 11 ^(th) term, then find its 3 ^(rd) term.

    If 4 times the 4^(th) term of an A.P. is equal to 18^(th) times the 18^(th) term, then find the 22^(nd) term.

    If the m^(th) term of a G.P is n and n^(th) term be m then find the (m+n)^(th) term

    If 6 times the 6^(th) term of an A.P, is equal to 9 times the 9^(th) term, show that its 15^(th) term is zero.

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