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Class notes Mathematics Algebra formula

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2025/2026 Written for academic year
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Third Year / 9th Grade
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Mathematics
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I have made it with my Sir's preference. It will came of in great use of the student who buy the notes. The condition are very need and clean. The price is to low as anyone can afford it.

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Algebra Formula
2




2
(a+b) = a +2ab+b
2 2

2
(a-b) = a -2ab+b
2 2


2 2
a - b = (a+b)(a-b)
2 2
a + b =(a+b) -2ab
= (a-b) +2ab
3
(a+b) = a + b +3a b+3ab
3 3 2 2



= a + b +3ab(a+b)
3 3



(a-b) = a - b - 3a b-3ab
3 3 2 2



= a - b -3ab(a+b)
3 3

3 3 2 2
a - b = (a-b)(a +ab+b )
3 3
a + b =(a+b)(a -ab+b )
3 2 2




Algebra Solutions By ABESH DAS

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School year
3
Uploaded on
February 24, 2026
Number of pages
1
Written in
2025/2026
Type
Class notes
Professor(s)
Ashish kumar das
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All classes
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