A square minus 2 a b + b square ka gunankhand
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3
Answer:
(a-b) ^2
Step-by-step explanation:
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a² - 2ab + b² = (a - b)² = ( b - a)²
Step-by-step explanation:
a² - 2ab + b²
= a² - ab - ab + b²
= a(a - b) - b(a - b)
= (a - b)(a - b)
= (a - b)²
a² - 2ab + b²
= a² - ab - ab + b²
= -a(-a + b) + b(-a + b)
= (-a + b)(-a + b)
= (b - a)(b - a)
= ( b - a)²
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