Sequences and Series Part 2

Section: Mathematics

Question : 10 of 100

Marks: +1, -0

Let a1=8,a2,a3,....an be an A.P. If the sum of its first four terms is 50 and the sum of its last four terms is 170 , then the product of its middle two terms is ______.

[1-Feb-2023 Shift 1]

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