If each term of a geometric progression {\a}_1, {\a}_2, {\a}_3, . . . with {\a}_1=\frac{1}{8} and {\a}_2 \neq {\a}_1, is the arithmetic mean of the next two terms and S_n=a_1+a_2+. . .+a_n, then {\S}_{20}- {\S}_{18} is equal to [29-Jan-2024 Shift 2]

Binomial Theorem Part 2

Section: Mathematics

Question : 2 of 100

Marks: +1, -0

If each term of a geometric progression a1,a2,a3,... with a1=‌

and a2≠a1, is the arithmetic mean of the next two terms and Sn=a1+a2+...+an, then S20−S18 is equal to

[29-Jan-2024 Shift 2]

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