Any help on these questions will be greatly appreciated
Transposition
e/f=1+r^(2)/1-r^(2) for r
Simultaneous Equations
y=5x-4-2x^(2) and y=6x-7
Indicial Equation
39=fe^(2x)+6e^(5x)/e^(3x)
As I said above any solutions/help with these equations would be greatly apreciated
Thankyou
Hello,
I assume that you want express the variable r by e and f. If so:Calculate the square root of both sides of this equation.Code:e 1 + r² --- = ------- multiply by the denominator f 1 - r² e --- * (1 - r²) = 1 + r² expand the brackets f e e --- - 1 = r²(1 + ---) f f e - f r² = ----- e + f