find the value of: (3.5)² -2(3.5)(0.5)+(0.5)²/(3.5)²+2(3.5)(0.5)+(0.5)² .
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Step-by-step explanation:
(3.5)² - 2 (3.5)(0.5) + (0.5)² / (3.5)² + 2 (3.5)(0.5) + (0.5)²
= (3.5 - 0.5)² / (3.5 + 0.5)² [∵(a - b )² = a²-2ab + b², (a +b )²= a² +2ab + b² ]
= ( 3 )² / (4 )²
= 9 / 16 is the answer.
=
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