how many terms are in this AP 19 28 37 to 676
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Step-by-step explanation:
GIVEN,
a= 19
d = 28-19 = 9
an= 676
TO FIND,
n = ?
an = a +(n-1)d
676 = 19+9(n-1)
73+1 = n
n = 74
so, total no. of terms are 74
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