Other Math Archive: Questions from April 06, 2022
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IF ze ** + f(x2 + y2) = 0; the general solution, find (PDE) ; z(x,y) اختر اØدى الدجابات - ya - Xp = 2z a. b. 9e-4? - 2zxe-*2 = pe-*? 2 Xq – Yp = -2zxy c. d. Yqxp = 21 answer -
5 only please
4.6 EXERCISES Galdamento de transitio se In Problems 1–8, find a general solution to the differential equation using the method of variation of parameters. ( Gy" + 4y = = tan 2t 2 y" + y = sect 3, y3 answers -
1 answer
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i need number 9 solved please
In Problems 1 through 20, find a particular solution yp of the given equation. In all these problems, primes denote deriva- 2. y" - y' - 2y = 3x + 4 4. 4y" + 4y' + y = 3xe* 6. 2y" + 4y' + 7y = x2 8. y1 answer