Q. The curve y = f (x) is such that the tangent to the curve at every point (๐ฅ, ๐ฆ) has a ๐-axis intercept ๐, given by ๐ = โ๐ฆ. Then, f (x) is proportional to
(A) x–1
(B) x2
(C) x3
(D) x4
Ans: x2
Sol:
Let the equation of tangent is,
y = mx + c
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