in AP 56 63 70......497 how many terms are there
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Answer:
D = 63 - 56
= 7
A = 56
an = a + (n-1)d
476 = 56 + (n-1) 7
420= (n-1)7
420/7 = n-1
60 = n-1
n = 61
THEREFORE THERE ARE 61 TERMS
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