Q.4.7 Jack wishes to purchase a new cell phone. He is required to pay a deposit of 15%of the full price of the cell phone. If the deposit amount is R1 200, what is the fullprice of the cell phone?
X2uxx +2xyuxy+uyy=u
(x^2-y^2 -zy)p +(x^2-y^2-zx)q =z(x-y)
Fourier cosine integral of f(x) is
A)
cos Ax ff(t)sina tdt da 0
d cos 2x ff(t) cos at dt da
B) cosax ff(t)sintdtdx
D) 25 fcos Ax f f(t)cos At dt da
(d^2 y)/〖dx〗^2 +2 dy/dx+5y=34cos2x
6n + 4 = 16, find the value of 5n - 7
X^3=a+bp
xdx+ydy=a2(xdy-ydx)/x2+y2
(D^2-D'^2-3D+3D')z=e^x-2y