Can somebody help me with this? Please help me with part D and E.

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Can somebody help me with this? Please help me with part D and E.
The conducting sphere of radius to has a spherical cavity of radius ri centered at the sphere's center (see the figure) (Figure 1) It carries a positive total net charge Q and at its center there is a point charge qo

Figure < 1 of 1 1 > о TO 40

Part D Determine the electric field for r <r<to Express your answer in terms of some or all of the variables go, Q.11, 70, , and appropriate constants. Pal AΣ ? Eln<r<ro) = Submit Request Answer Part E Determine the electric field for r>ro. Express your answer in terms of some or all of the variables go. Q. 71. to. 1, and appropriate constants. ΟΙ ΑΣΦ ? Er>ro) = Submit Request Answer