InterviewSolution
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InterviewSolution
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The approximate change in the volume: V of a cube of side x metres caused by increasing the side by 1% is …(a) 0.3 xdx m3 (b) 0.03 x m3 (c) 0.03 x2 m3 (d) 0.03 x3 m3 |
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Answer» (d) 0.03 x3 m3 Let the side of the cube be x units v = x3 when dx = 0.01x dv = 3x2dx = 3x2(0.01 x) = 0.03 x3 m3 |
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