🛠️ JEE➗ Maths

Let \( <a_n>\) be a sequence such that \({\mathrm{a}}_{0}=0,{\mathrm{a}}_{1}=\frac{1}{2}\) and \(2{a}_{n+2}=5{a}_{…

Q1

Let \( <a_n>\) be a sequence such that \({\mathrm{a}}_{0}=0,{\mathrm{a}}_{1}=\frac{1}{2}\) and \(2{a}_{n+2}=5{a}_{n+1}-3{a}_{n},n=0,1,2,3,\ldots \ldots\) Then \(\sum _{\mathrm{k}=1}^{100}{\mathrm{a}}_{\mathrm{k}}\) is equal to:

[JEE Main 2025, 28 Jan (Shift 1)]

a

\(3{a}_{99}-100\)

b

\(3{\mathrm{a}}_{100}-100\)

c

\(3{\mathrm{a}}_{100}+100\)

d

\(3{a}_{99}+100\)

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