*In an AP, if d = –4, n = 7, tn = 4, then a is ………………*
1️⃣ 6
2️⃣ 7
3️⃣ 20
4️⃣ 28
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2
Answer:
TN = a+(n-1)d
so ans is 28
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Answered by
1
Answer:
28
Step-by-step explanation:
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