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Let C(1):y=x^(2)sin3x,C(2):y=x^(2)and C(...

Let `C_(1):y=x^(2)sin3x,C_(2):y=x^(2)and C_(3):y=-y^(2),` then

A

`C_(1)` touches `C_(2)` at infinite points

B

`C_(1)` touches `C_(3)` at infinite points

C

`C_(1) and C_(2) and C_(1)andC_(3)` meet at alternate points

D

none of these

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A, B
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