Basics of Mathematics for Standard 10 /Grade 10
Dear Students,
Download following files for learning Formulas more effectively. Take the print out of these files and write your answers daily to improve your scores in 10th standard/grade.
Download following files for learning Formulas more effectively. Take the print out of these files and write your answers daily to improve your scores in 10th standard/grade.
[ Note: The following 2 files are available in the secured drive. While downloading, your email might be asked. Please provide it to download the files. I assure that your email-id will not be given to anybody ]
1) Algebra Formulas
2) Geometry Formulas
In the Previous Blog we had seen some important concepts of Arithmetic & Geometric Progression. Click HERE to Revise that Blog.
1) Algebra Formulas
2) Geometry Formulas
In the Previous Blog we had seen some important concepts of Arithmetic & Geometric Progression. Click HERE to Revise that Blog.
In this Blog, we Describe the Important Formulas of an AP & GP.
1) tn = a + (n - 1) d
2) Sn = n * (a + l)/2
3) Sn = n * [ 2 a + (n - 1) d ) ] / 2
Now we will see some examples:
Problems related to tn = a + (n - 1) d:
A) Find nth term of an AP 3, 5, 7, 9 ...
Solution:
1) Here a = 3, d = (5 - 3) = 2 so, d = 2.
2) We know that
Now we will see some examples:
Problems related to tn = a + (n - 1) d:
A) Find nth term of an AP 3, 5, 7, 9 ...
Solution:
1) Here a = 3, d = (5 - 3) = 2 so, d = 2.
2) We know that
tn = a + (n -1) d
= 3 + (n -1) (2)
= 3 + (2 n - 2)
= 1 + (2 n)
= (2 n) + 1
3) Answer: Here the nth term of an AP is tn = (2 n) + 1
= 3 + (n -1) (2)
= 3 + (2 n - 2)
= 1 + (2 n)
= (2 n) + 1
3) Answer: Here the nth term of an AP is tn = (2 n) + 1
For more details please click here
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