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The number of values of c such that the ...

The number of values of `c` such that the straight line `y=4x+c` touches the curve `(x^2)/4+(y^2)/1=1` is (a) 0 (b) 1 (c) 2 (d) infinite

A

0

B

2

C

1

D

`oo`

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The correct Answer is:
B
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