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

If the sum and product of the first three term in an \(A.P\). are \(33\) and \(1155\), respectively, then a value of its \(11^{th}\) tern is

  1. A \(-25\)
  2. B \(25\)
  3. C \(-36\)
  4. D \(-35\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(-25\)

Step-by-step Solution

Detailed explanation

Let the three number in \(A.P.\) are \(a-d,a,a+d\) Given that \(a-d+a+a+d=33\) \( \Rightarrow a = 11\) and \(\left( {a - d} \right)\left( a \right)\left( {a + d} \right) = 1155\) \( \Rightarrow a\left( {{a^2}{d^2}} \right) = 1155\)…
Same subject
Explore more questions on app