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Linearize the following equations using natural logarithms: P = P0 (1 - kh)ⁿ, I = B e^-lambda t, and E = ATⁿ. Identify the slope and intercept in the y=mx+c form.

Mathematics

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Here are the linearized forms of the equations from the paper:

1. For the equation P=P0(1−kh)nP = P_0 (1 - kh)^n ()

  1. Take the natural logarithm (ln⁡\ln) of both sides of the equation.

    ln⁡(P)=ln⁡(P0(1−kh)n)\ln(P) = \ln(P_0 (1 - kh)^n)
  2. Use logarithm properties ln⁡(AB)=ln⁡(A)+ln⁡(B)\ln(AB) = \ln(A) + \ln(B) and ln⁡(Xn)=nln⁡(X)\ln(X^n) = n \ln(X).

    ln⁡(P)=ln⁡(P0)+ln⁡((1−kh)n)\ln(P) = \ln(P_0) + \ln((1 - kh)^n) ln⁡(P)=ln⁡(P0)+nln⁡(1−kh)\ln(P) = \ln(P_0) + n \ln(1 - kh)
  3. Rearrange into the linear form y=mx+cy = mx + c.

    Let y=ln⁡(P)y = \ln(P) and x=ln⁡(1−kh)x = \ln(1 - kh).
    The linearized equation is:

    ln⁡(P)=nln⁡(1−kh)+ln⁡(P0)\boxed{\ln(P) = n \ln(1 - kh) + \ln(P_0)}

    Here, the slope mslope=nm_{slope} = n and the y-intercept cintercept=ln⁡(P0)c_{intercept} = \ln(P_0).

    2. For the equation I=Be−λtI = B e^{-\lambda t} ()

  4. Take the natural logarithm (ln⁡\ln) of both sides of the equation.

    ln⁡(I)=ln⁡(Be−λt)\ln(I) = \ln(B e^{-\lambda t})
  5. Use logarithm properties ln⁡(AB)=ln⁡(A)+ln⁡(B)\ln(AB) = \ln(A) + \ln(B) and ln⁡(ex)=x\ln(e^x) = x.

    ln⁡(I)=ln⁡(B)+ln⁡(e−λt)\ln(I) = \ln(B) + \ln(e^{-\lambda t}) ln⁡(I)=ln⁡(B)−λt\ln(I) = \ln(B) - \lambda t
  6. Rearrange into the linear form y=mx+cy = mx + c.

    Let y=ln⁡(I)y = \ln(I) and x=tx = t.
    The linearized equation is:

    ln⁡(I)=(−λ)t+ln⁡(B)\boxed{\ln(I) = (-\lambda)t + \ln(B)}

    Here, the slope mslope=−λm_{slope} = -\lambda and the y-intercept cintercept=ln⁡(B)c_{intercept} = \ln(B).

    3. For the equation E=ATnE = AT^n ()

  7. Take the natural logarithm (ln⁡\ln) of both sides of the equation.

    ln⁡(E)=ln⁡(ATn)\ln(E) = \ln(AT^n)
  8. Use logarithm properties ln⁡(AB)=ln⁡(A)+ln⁡(B)\ln(AB) = \ln(A) + \ln(B) and ln⁡(Xn)=nln⁡(X)\ln(X^n) = n \ln(X).

    ln⁡(E)=ln⁡(A)+ln⁡(Tn)\ln(E) = \ln(A) + \ln(T^n) ln⁡(E)=ln⁡(A)+nln⁡(T)\ln(E) = \ln(A) + n \ln(T)
  9. Rearrange into the linear form y=mx+cy = mx + c.

    Let y=ln⁡(E)y = \ln(E) and x=ln⁡(T)x = \ln(T).
    The linearized equation is:

    ln⁡(E)=nln⁡(T)+ln⁡(A)\boxed{\ln(E) = n \ln(T) + \ln(A)}

    Here, the slope mslope=nm_{slope} = n and the y-intercept cintercept=ln⁡(A)c_{intercept} = \ln(A).

    4. For the equation I=I0exp⁡(eVkT)I = I_0 \exp\left(\frac{eV}{kT}\right) ()

  10. Take the natural logarithm (ln⁡\ln) of both sides of the equation.

    ln⁡(I)=ln⁡(I0exp⁡(eVkT))\ln(I) = \ln\left(I_0 \exp\left(\frac{eV}{kT}\right)\right)
  11. Use logarithm properties ln⁡(AB)=ln⁡(A)+ln⁡(B)\ln(AB) = \ln(A) + \ln(B) and ln⁡(ex)=x\ln(e^x) = x.

    ln⁡(I)=ln⁡(I0)+ln⁡(exp⁡(eVkT))\ln(I) = \ln(I_0) + \ln\left(\exp\left(\frac{eV}{kT}\right)\right) ln⁡(I)=ln⁡(I0)+eVkT\ln(I) = \ln(I_0) + \frac{eV}{kT}
  12. Rearrange into the linear form y=mx+cy = mx + c.

    Let y=ln⁡(I)y = \ln(I) and x=Vx = V.
    The linearized equation is:

    ln⁡(I)=(ekT)V+ln⁡(I0)\boxed{\ln(I) = \left(\frac{e}{kT}\right)V + \ln(I_0)}

    Here, the slope mslope=ekTm_{slope} = \frac{e}{kT} and the y-intercept cintercept=ln⁡(I0)c_{intercept} = \ln(I_0).

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