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The nth term of an A.P. whose first term...

The nth term of an A.P. whose first term is 'a' and common difference d' is `a + (n - 1) d`. Prove by PMI.

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Find the n^(th) term of an A.P. Whose first term is 200 and common difference is 7 .

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Knowledge Check

  • The first four terms of an A.P. whose first term is -2 and the common difference is -2 are

    A
    `-2,0,2,4`
    B
    `-2,4,-8,16`
    C
    `-2,-4,-6,-8`
    D
    `-2,-4,-8,-16`

  • The sum of the 40 terms of an A.P. whose first term is 2 and common difference 4, will be

    A
    3200
    B
    1600
    C
    200
    D
    2800

  • Sum of first n terms of an A.P. whose last term is l and common difference is d, is

    A
    `(n)/(2) [ l + (n-1)d]`
    B
    `(n)/(2) [ l-(n-1)d]`
    C
    `(n)/(2) [2l + (n-1) d]`
    D
    `(n)/(2) [2l-(n-1)d]`

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    By Principle of Mathematical Induction : nth term of A.P. whose first term is 'a' and common difference is 'd' is ______

    write the next four terms of an A.P. whose first term Is 11 and the common difference 2.

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    If S_(n) denote the sum to n terms of an A.P. whose first term is a and common differnece is d , then S_(n-3) - 3S_(n+1) - S_(n) is equal to

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