Chapter 5 – Arithmetic Progressions
Find the sum of first 17 terms of an AP whose 4th and 9th terms are -15 and -30 respectively.
23
Nov
Find the sum of first 17 terms of an AP whose 4th and 9th terms are -15 and -30 respectively. Find the sum of first 17 terms of an AP whose 4th and 9th terms are -15 and -30 respectively. November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 [...]
If Sn denotes the sum of first n terms of an AP, prove that S12 = 3(S8 – S4).
23
Nov
If Sn denotes the sum of first n terms of an AP, prove that S12 = 3(S8 – S4). If Sn denotes the sum of first n terms of an AP prove that S12 = 3(S8 – S4). November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
In an AP, if Sn = 3n^2 + 5n and ak = 164, find the value of k.
23
Nov
In an AP, if Sn = 3n^2 + 5n and ak = 164, find the value of k. find the value of K. if Sn = 3n^2 + 5n and ak = 164 In an AP November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
In an AP, if Sn = n (4n + 1), find the AP.
23
Nov
In an AP, if Sn = n (4n + 1), find the AP. find the AP. if Sn = n (4n + 1) In an AP November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
If an = 3 – 4n, show that a1, a2, a3,… form an AP. Also find S20.
23
Nov
If an = 3 – 4n, show that a1, a2, a3,… form an AP. Also find S20. … form an AP. Also find S20. a^3 a2 If an = 3 – 4n Show that a1 November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
Which term of the AP: -2, -7, -12,… will be -77? Find the sum of this AP upto the term -77.
23
Nov
Which term of the AP: -2, -7, -12,… will be -77? Find the sum of this AP upto the term -77. -12 … will be -77? Find the sum of this AP upto the term -77. 7) Which term of the AP: -2 November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , [...]
Find the sum: a-b/ a+b + 3a-2b/ a+b + 5a-3b/a+b +…..to 11 terms.
23
Nov
Find the sum: a-b/ a+b + 3a-2b/ a+b + 5a-3b/a+b +…..to 11 terms. Find the sum: a-b/ a+b + 3a-2b/ a+b + 5a-3b/a+b +.....to 11 terms. November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
Find the sum: 4 – 1/n + 4 – 2/n + 4 – 3/n + …. upto n terms
23
Nov
Find the sum: 4 – 1/n + 4 – 2/n + 4 – 3/n + …. upto n terms Find the sum: 4 - 1/n + 4 - 2/n + 4 - 3/n + .... upto n terms November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
Find the sum: 1 + (-2) + (-5) + (-8) + …+ (-236)
23
Nov
Find the sum: 1 + (-2) + (-5) + (-8) + …+ (-236) Find the sum: 1 + (-2) + (-5) + (-8) + ...+ (-236) November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
The first term of an AP is -5 and the last term is 45. If the sum of the terms of the AP is 120, then find the number of terms and the common difference.
23
Nov
The first term of an AP is -5 and the last term is 45. If the sum of the terms of the AP is 120, then find the number of terms and the common difference. The first term of an AP is -5 and the last term is 45. If the sum of the terms [...]