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प्रश्न
tn = 2n − 5 in a sequence, find its first two terms
उत्तर
tn = 2n − 5 .......[Given]
∴ t1 = 2(1) – 5
= 2 – 5
= – 3
t2 = 2(2) – 5
= 4 – 5
= – 1
∴ The first two terms of the sequence are – 3 and – 1.
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