A2 + 1/A2= 23, Find: a + 1/a
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Answer: 5
Step-by-step explanation:
(a + 1/a)² = (a² + 1/a²) + 2
as a² + 1/a² = 23
(a + 1/a)² = 23+2 = 25
a + 1/a = √25
a + 1/a = 5
brainliest and thankyou please
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