# Sequences and Series NCERT Example 23 Class 11 Maths

212,567 • May 24 2022

## Description

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.

## Question 14 Find the real numbers x and y if (x−iy)(3+5i) is the conjugate of −6−24i

Working with Imaginary Numbers and Complex NumbersImaginary Numbers and Complex NumbersNCERT Exercise 5.1NCERT Exercise 5.3Cartesian and Polar Coordinate SystemsRelationship between Cartesian and Polar Coordinate SystemsArgand Diagram to represent Complex NumbersPolar...

## Example 12 Find the conjugate

Working with Imaginary Numbers and Complex NumbersImaginary Numbers and Complex NumbersNCERT Exercise 5.1NCERT Exercise 5.3Cartesian and Polar Coordinate SystemsRelationship between Cartesian and Polar Coordinate SystemsArgand Diagram to represent Complex NumbersPolar...

## Find the modulus and the arguments of each of the complex numbers in

Working with Imaginary Numbers and Complex NumbersImaginary Numbers and Complex NumbersNCERT Exercise 5.1NCERT Exercise 5.3Cartesian and Polar Coordinate SystemsRelationship between Cartesian and Polar Coordinate SystemsArgand Diagram to represent Complex NumbersPolar...

## Find the value of tan9°–tan27°–tan63°+tan81°

NCERT Exemplar Class 11 Maths Chapter 3 Trigonometry Functions Example 5: Find the value of tan9°–tan27°–tan63°+tan81° tan9°–tan27°–tan63°+tan81°