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JEE Mains · Maths · STD 11 - 8. sequence and series

જો \(n \in N\) અને \([x]\) એ \(x\) નું મહતમ પૃણાંક વિધેય છે . જો \((n+1)\) પદો \({ }^{n} C_{0}, 3 .{ }^{n} C_{1}, 5 .{ }^{n} C_{2}, 7 .{ }^{n} C_{3}, \ldots\) નો સરવાળો \(2^{100} \cdot 101\) હોય તો  \(2\left[\frac{n-1}{2}\right]\) ની કિમંત મેળવો.

  1. A \(40\)
  2. B \(11\)
  3. C \(45\)
  4. D \(98\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(98\)

Step-by-step Solution

Detailed explanation

\(1 .^{n} C_{0}+3 \cdot{ }^{n} C_{1}+5 .^{n} C_{2}+\ldots+(2 n+1) \cdot \cdot ^{n}C_{n}\) \(\mathrm{T}_{\mathrm{r}}=(2 \mathrm{r}+1)^{\mathrm{n}} \mathrm{C}_{\mathrm{r}}\) \(\mathrm{S}=\Sigma \mathrm{T}_{\mathrm{r}}\)…
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