C++.

12. As we ve seen, when we use an array s name, we are really using a pointer to access the first element in that array. Given int ia0,2,4;, we can access the second element (at the first index) of the array by writing ia [1] (a) Write an equivalent expression to access the second element of the array using the array s base address, pointer arithmetic, and the dereference operator (b) Detail how pointer arithmetic calculates the address of the second element in the array from the base address