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Differentiation of exponential and logarithmic functions — Question 340

Original QCE Vault practice · 1 mark

Q340 · Practice questionTechnology-freeSimple familiar1 mark

QUESTION 340

The line

L

is perpendicular to the tangent to

y=\ln(3x+1)

at

x=1

. Determine the gradient of

L

.

(A)

-3/4

(B)

3/4

(C)

-4/3

(D)

4/3

ABCD

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