Choose the correct answer from the given four options:In an AP if a = –7.2, d = 3.6, an = 7.2, then n
1 answer:
Answer:
n=5
Step-by-step explanation:
by using
n=(an-a)/a+1
substituting values
n= 7.2-(-7.2)/3.6 +1
n=5
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