(a+b+c)^2 Formula Proof
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This video we are trying to explain algebraic identity (a + b c )^2 = a^2 b^2 c^2 2ab 2ac.
In this video i am going to show you the proof a3+b3+c33abc=(a+b+c)(a2+b2+c2abbcac) p. Key step to prooving formula is complete square that write it in t. Here you will be shown a proof of the quadratic formula.
Visual explanation usually always stay in our mind. All links will redirect you amazonin pen and touch tablet. To make this video i have used following products.
To ask unlimited maths doubts download doubtnut from https//googl/9wzjcw prove that in any triangle abc(i) `c^2 = a^2 + b^22ab cos c` (ii) `c=bcosa+acosb`. It is a special identity of polynomial class 9. This video shows how to expand using the identity '(a+b+c)2=a2+b2+c2+2ab+2bc+2ca' view more educational content, please visit.
Https//bitly/3akrboz to get all learning resources as per icse, cbse, ib, cambridge &. Related example to square trinomial. In a way we can say that factorise is the reverse of expand and that's exactly what are doing this video.
