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The first n^(th) term of a AP is given b...

The first `n^(th)` term of a AP is given by

A

`a_(n) = a+ nd`

B

`a_(n) = a+ (n-1) d`

C

`a_(n) = a- (n-1) d`

D

`a_(n) = 2a + (n-1) d`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • The first term of an AP is a and the n^(th) term is b, the d=

    A
    `(a-b)/(n)`
    B
    `(b-a)/(n)`
    C
    `(b-a)/(n-1)`
    D
    `(b-a)/(n+1)`

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