Find the value of kkk if ∫0k4ydy=8\int_0^k 4y dy = 8∫0k4ydy=8 and k>0k > 0k>0.
k=1k = 1k=1
k=2k = 2k=2
k=2k = \sqrt{2}k=2
k=4k = 4k=4