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If the area above the x-axis, bounded by the curves y = 2kx and x = 0, and x = 2 is then the value of k is
The area can be computed as –
⇒ 4k = 3k + 1
Using Binomial Theorem,
This equality holds only when k = 1, because only then you get two terms in the expansion.
Ans: k = 1