what is a²+b²+2ab ....
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Step-by-step explanation:
a^2 +b^2 + 2ab is an identity in which a^2 +b^2 + 2ab is equal to (a+b)^2
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Answer:
Step-by-step explanation:
(i)a² + b² + 2ab
= (a + b)²
(ii)a² + b² - 2ab
= (a - b)²
(iii)a² + b²
= (a + b)² - 2ab
= (a - b)² + 2ab
(iv)a² - b²
= (a + b)(a - b)
(v)ab
= {(a+b)/2}² - {(a - b)/2}²
(vi)4ab
= (a + b)² - (a - b)²
(vii)2(a + b)
= (a + b)² + (a - b)²
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