Tip:A–D to answerE for explanationV for videoS to reveal answer
If f and g are differentiable function in (0,1) satisfying f(0) = 2 = g(1), g(0) = 0 and f(1) = 6, then for some 𝑐 𝜖 (0, 1)
- A.
2f ‘(c)= g’(c)
- B.
2f ‘(c)= 3g’(c)
- C.
f ’(c)= g’ (c)
- D.
f ’(c)= 2g’ (c)
(Correct Answer)
Correct Answer: f ’(c)= 2g’ (c)
Explanation
-
Find the difference in f(x):
-
Find the difference in g(x):
-
Substitute these into the CMVT formula:
-
Rearrange the equation:
Conclusion:
For some c∈(0,1), the relationship is:
Explanation
-
Find the difference in f(x):
-
Find the difference in g(x):
-
Substitute these into the CMVT formula:
-
Rearrange the equation:
Conclusion:
For some c∈(0,1), the relationship is: