class 11 Math Algebra Sequences And Series

Let A be the sum of the first 20 terms and B be the sum of the first 40 terms of the series $1_{2}+2.2_{2}+3_{2}+2.4_{2}+5_{2}+2.6_{2}+…$ If $B−2A=100λ$ then $λ$ is equal to

(a)

232

(b)

248

(c)

464

(d)

496

Similar topics

determinants

matrices

binomial theorem

complex numbers and quadratic equations

sequences and series

determinants

matrices

binomial theorem

complex numbers and quadratic equations

sequences and series

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