sequences-and-series-ncert-example-23-class-11-maths 08:27

Sequences and Series NCERT Example 23 Class 11 Maths

Sequences and Series Class 11 Maths Example 23: If a, b, c, d and p are different real numbers such that {\displaystyle (a^2+b^2+c^2)p^2-2(ab+bc+cd)p+(b^2+c^2+d^2) \le 0 } , then show that a, b, c and d are in G.P.

sequences-and-series-ncert-exercise-9-3-question-24-class-11-maths 06:49

Sequences and Series NCERT Exercise 9.3 Question 24 Class 11 Maths

Sequences and Series NCERT Exercise 9.3 Question 24 Class 11 Maths : Show that the ratio of the sum of first n terms of a G.P. to the sum of terms from {\displaystyle (n+1)^{th} \text{ to } (2n)^{th} } term is {\displaystyle \frac{1}{r^n} } .

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