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c++ (b) In each of the following definitions valid or invalid? If any is invalid, explain why? (1) float ivar; int tiptr &ivar; (ii) int

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(b) In each of the following definitions valid or invalid? If any is invalid, explain why? (1) float ivar; int tiptr &ivar; (ii) int ivar, tiptr &ivar; (111) int fvar; int *iptr &fvar; (iv) int nums [50], *iptr nums; &ivar double *iptr double ivar; [6 marks]

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