Question

which term of 79, 77, .....is -40...................ANSWER IT

Answer 1

Answer:

Given,

1st term A = 79

common difference d = -2

nth term = A + (n - 1) d

    -40 = 79 + (n-1) -2

    -119 = -2( n-1)

    119/2 = n - 1

     119/2 + 1 = n

     n = 119+ 2 / 2

     n = 121/2

 

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