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Example 3 Line through the points (–2, 6) and (4, 8) is perpendicular to the line through the points (8, 12) and (x, 24). Find the value of x.
27
Oct
Example 3 Line through the points (–2, 6) and (4, 8) is perpendicular to the line through the points (8, 12) and (x, 24). Find the value of x. 12) and (x 24). Find the value of x. 6) and (4 8) is perpendicular to the line through the points (8 Example 3 Line through [...]
Example 1 Find the slope of the lines: (a) Passing through the points (3, – 2) and (–1, 4), (b) Passing through the points (3, – 2) and (7, – 2), (c) Passing through the points (3, – 2) and (3, 4), (d) Making inclination of 60° with the positive direction of x-axis
27
Oct
Example 1 Find the slope of the lines: (a) Passing through the points (3, – 2) and (–1, 4), (b) Passing through the points (3, – 2) and (7, – 2), (c) Passing through the points (3, – 2) and (3, 4), (d) Making inclination of 60° with the positive direction of x-axis -2) and [...]
Example 10 Find the equation of the line, which makes intercepts –3 and 2 on the x- and y-axes respectively
27
Oct
Example 10 Find the equation of the line, which makes intercepts –3 and 2 on the x- and y-axes respectively Example 10 Find the equation of the line which makes intercepts –3 and 2 on the x- and y-axes respectively October 27, 2021 Category: Chapter 10 - Straight Lines , Maths , NCERT Exemplar Class [...]
Example 2 If the angle between two lines is π/4 and slope of one of the lines is 1/2 , find the slope of the other line.
27
Oct
Example 2 If the angle between two lines is π/4 and slope of one of the lines is 1/2 , find the slope of the other line. Example 2 If the angle between two lines is π/4 and slope of one of the lines is 1/2 find the slope of the other line. October 27, [...]
Example 14 The sum of first three terms of a G.P. is 13/12 and their product is – 1. Find the common ratio and the terms.
24
Oct
Example 14 The sum of first three terms of a G.P. is 13/12 and their product is – 1. Find the common ratio and the terms. Example 14 The sum of first three terms of a G.P. is 13/12 and their product is – 1. Find the common ratio and the terms. October 24, 2021 [...]
Example 13 How many terms of the G.P. 3, 3/2, 3/4 ,,… are needed to give the sum 3069/512 ?
24
Oct
Example 13 How many terms of the G.P. 3, 3/2, 3/4 ,,… are needed to give the sum 3069/512 ? – 3/2 –3/4 ... are needed to give the sum 3069/512 ? Example 13 How many terms of the G.P. 3 October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT [...]
Example12 Find the sum of first n terms and the sum of first 5 terms of the geometric series 1 + 2/3 + 4/9 + …….
24
Oct
Example12 Find the sum of first n terms and the sum of first 5 terms of the geometric series 1 + 2/3 + 4/9 + ……. Example12 Find the sum of first n terms and the sum of first 5 terms of the geometric series 1 + 2/3 + 4/9 + ....... October 24, 2021 [...]
Example11 In a G.P., the 3rd term is 24 and the 6th term is 192.Find the 10th term
24
Oct
Example11 In a G.P., the 3rd term is 24 and the 6th term is 192.Find the 10th term Example11 In a G.P. the 3rd term is 24 and the 6th term is 192.Find the 10th term October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
Example10 Which term of the G.P., 2,8,32, … up to n terms is 131072?
24
Oct
Example10 Which term of the G.P., 2,8,32, … up to n terms is 131072? ... up to n terms is 131072? 2 3^2 8 Example10 Which term of the G.P. October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
Example 9 Find the 10th and nth terms of the G.P. 5, 25,125,… .
24
Oct
Example 9 Find the 10th and nth terms of the G.P. 5, 25,125,… . … . 125 25 Example 9 Find the 10th and nth terms of the G.P. 5 October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,