When the ellipse b2x2 + a2y2 = a2b2 is rotated about the x-axis, the volume V of the spheroid is 4πab2/3. If a and b are each increased by 1%, use differentials to find the approximate percentage change in V.
◦ increase of 3%
◦ increase of 4%
◦ increase of 5%
◦ increase of 1%
◦ increase of 2%