What is the length of the major axis of the conic section $(x+2)^2/49 + (y-1)^2/25 =1$ ?

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Answer 1 · 2018-07-27T04:41:21

$14$ .

If the eqn. of an ellipse is $x^2/a^2+y^2/b^2=1, a gt b,$

the length of its major axis is $2a$ .

In our case, $a^2=49, b^2=25. :. a=7, b=5, and, a gt b.$

Hence, the required length is $2xx7=14$ .

What is the length of the major axis of the conic section (x+2)^2/49 + (y-1)^2/25 =1(x+2)^2/49 + (y-1)^2/25 =1?