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

\({1^2} + {3^2} + {5^2} + ....... + {25^2}\) ની કિમત મેળવો. 

  1. A \(2925\)
  2. B \(1469\)
  3. C \(1728\)
  4. D \(1456\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(2925\)

Step-by-step Solution

Detailed explanation

Consider \({1^2} + {3^2} + {5^2} + .... + {25^2}\) \({n^{th}}\) term \({T_n} = {\left( {2n - 1} \right)^2},n = 1,.....13\) Now, \({S_n} = \,\sum\limits_{n = 1}^{13} {{T_n} = } \sum\limits_{n = 1}^{13} {{{\left( {2n - 1} \right)}^2}} \)…
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