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The curves 4x^2+9y^2=72 and x^2-y^2=5a t...

The curves `4x^2+9y^2=72` and `x^2-y^2=5a t(3,2)` Then (a) touch each other (b) cut orthogonally intersect at `45^0` (d) intersect at `60^0`

A

touch each other

B

cut orthogonally

C

intersect at `45^(@)`

D

intersect at `60^(@)`

Text Solution

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The correct Answer is:
B
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