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- If the parabola y = f (x), having axis parallel to y-axis, touches the line y = x at (1, 1) then;
. If the parabola y = f (x), having axis parallel to y-axis, touches the line y = x at (1, 1) then;
If the parabola y = f (x), having axis parallel to y-axis, touches the line y = x at (1, 1) then;
- (A):2f ' (0) + f (0) = 1
- (B):2f (0) + f ' (0) = 1
- (C):2f (0) - f ' (0) = 1
- (D):2f ' (0) - f (0) = 1
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