8 мар. 2018 г. · This is called factorising the perfect square. (a-b)^2 = a^2 -2ab +b^2. Do not mix it up and write a squared minus b squared. Squares ... |
22 июл. 2017 г. · Yes. This can be verified in two ways. Thus, (-ab)^2 = (a+b)^2 2. You can also prove this by simply expanding the two terms. |
21 нояб. 2018 г. · we need to add equations 1 and 2 . So , by adding equations 1 and 2 , we get ,. => (a+b)^2 + (a-b)^2 = a^2 + b^2 + a^2 + b^2. = 2(a^2 + b^2 ). |
5 дек. 2018 г. · (a + b)^2 is not a formula. It is an expression. This expression can be expanded out by multiplication. (a + b)(a + b) = a^2 + ab + ab + b^2 ... |
13 нояб. 2018 г. · The answer to (a+b)² is (a+b)² = a² + 2ab + b². This is known as the "FOIL" method or the "binomial square" formula. |
19 апр. 2018 г. · (a+b)^2 is basically a formula to calculate a “area of a square”. the method to calculate that value depict in below picture. |
15 июн. 2019 г. · The only way that (a+b)2 ( a + b ) 2 can be equal to a2+b2 a 2 + b 2 is when one or both of a a and b b is equal to zero. |
4 февр. 2017 г. · The value of (a + b)^2 is equal to: · (a + b)(a + b) = a(a + b) + b(a + b) · Expanding the product, we get: · a^2 + ab + ba + b^2 · Simplifying, we ... |
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