Question

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Answer 1

Answer:

Sum of cube of first 4 even numbers = 23 + 43 + 63 + 83  

put n = 4     = 2(n(n+1))2

              = 2*(4*(4+1))2

              = 2(4*5)2

              = 2(20)2

              = 800

8 + 64 + 256 + 512 = 800

Step-by-step explanation:

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