2 + 15x = 10x + 5x + 2
Mathematics, 21.04.2020 00:31 uticabadgirl
What is the correct solution to solving this equation?
2 + 15x = 10x + 5x + 2
A. 15x + 2 = 15x + 2, Infinite Solutions
B. 2 = 2, one solution
C. 30x + 4, no solutions
D. 30x = 4, x = 7.5
Answers: 2
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Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
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What is the correct solution to solving this equation?
2 + 15x = 10x + 5x + 2
2 + 15x = 10x + 5x + 2
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