I need help with Problem 3 and The problem has to be explained
1 answer:
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Answer: a) -24
b)
c) 4
Step-by-step explanation:
a) To determine the value of (fg)', use the product rule of derivative, i.e.:
(fg)'(x) = f'(x)g(x) + f(x)g'(x)
(fg)'(5) = f'(5)g(5) + f(5)g'(5)
(fg)'(5) = 6(-5) + 3(2)
(fg)'(5) = -24
b) The value is given by the use of the quotient rule of derivative:
c)
Answer:
Given : PQR is a triangle.
Such that,
Prove:
Construct median PM.
⇒M is the mid point of line segment QR ( by the definition of median )
Therefore, (By the definition of mid point)
(given)
( reflexive)
Thus, By SSS congruence postulate,
Thus, BY CPCTC,
Hence proved.
