If the line \[y=mx+c\] is a tangent to the parabola \[{{y}^{2}}=4a(x+a)\] then \[ma+\frac{a}{m}\] is equal to

If the line \[y=mx+c\] is a tangent to the parabola \[{{y}^{2}}=4a(x+a

1.	If the line \[y=mx+c\] is a tangent to the parabola \[{{y}^{2}}=4a(x+a)\] then \[ma+\frac{a}{m}\] is equal to
A.	c
B.	2c
C.	? c
D.	3c
Answer» B. 2c

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If the line \[y=mx+c\] is a tangent to the parabola \[{{y}^{2}}=4a(x+a)\] then \[ma+\frac{a}{m}\] is equal to

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