If g(x) is a polynomial satisfying g(x) g(y) = g(x) + g(y) + g(xy) - 2 for all real x and y and g(2) = 5, then g(x) is
9
10
25
20
If the normal to the curve y = f(x) at (3, 4) makes an angle with the positive x-axis, then f'(3) is equal to :
- 1
1
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