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Find the Values of E, A, B, and C r=2152cosθr = \frac { 21 } { 5 - 2 \cos \theta }

Question 22

Multiple Choice

Find the values of e, a, b, and c.
- r=2152cosθr = \frac { 21 } { 5 - 2 \cos \theta }


A) e=25,a=5, b=21,c=2\mathrm { e } = \frac { 2 } { 5 } , \mathrm { a } = 5 , \mathrm {~b} = \sqrt { 21 } , \mathrm { c } = 2
B) e=25,a=21, b=4,c=5\mathrm { e } = \frac { 2 } { 5 } , \mathrm { a } = 21 , \mathrm {~b} = 4 , \mathrm { c } = 5
C) e=52,a=2, b=21,c=5\mathrm { e } = \frac { 5 } { 2 } , \mathrm { a } = 2 , \mathrm {~b} = \sqrt { 21 } , \mathrm { c } = 5
D) e=52,a=21,b=4,c=5e = \frac { 5 } { 2 } , a = 21 , b = 4 , c = 5

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