simplify (260 * 260) + 1/104 * 104 - (260 - 1/104)^2
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Answered by
11
Answer:
5
Step-by-step explanation:
According to the question,
(a²+b²) - (a-b)²
=> [(a+b)²-2ab] - [a²-2ab+b²]
=> (a+b)²-2ab-a²+2ab-b² (cancel for -2ab, +2ab)
=> a²+2ab+b²-a²-b² (cancel for a²,-a², b²,-b²)
=> 2 a b
a = 260, b = 1 / 104
=> 2 * 260 * 1 / 104
=> 2 * 260 / 104
=> 2 * 65 / 26
=> 130 / 26
=> 5
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