tmua 2021 Q20

tmua · Uk · paper1 1 marks Circles Circle Equation Derivation
Find the length of the curve with equation
$$2 \log _ { 10 } ( x - y ) = \log _ { 10 } ( 2 - 2 x ) + \log _ { 10 } ( y + 5 )$$
A 5 B 10 C 15 D $3 \pi$ E $9 \pi$ F $12 \pi$
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Find the length of the curve with equation

$$2 \log _ { 10 } ( x - y ) = \log _ { 10 } ( 2 - 2 x ) + \log _ { 10 } ( y + 5 )$$

A 5
B 10
C 15
D $3 \pi$
E $9 \pi$
F $12 \pi$