Question

if n²+n²+.......(n times)+n²=64 then n³+n³+........+n³=?​

Answer 1

Answer:

256

Step-by-step explanation:

• n^2+n^2+ .... + n times= 64 gives n=4 i.e 16+16+16+16=64
• n^3+n^3+ .... + n times = 64+64+64+64 = 256.

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Answer 2

Answer:

256

Step-by-step explanation:

n² + n² + ..........(n times) + n² = 64

The above equation shows that n = 4

Because, 4² + 4² + 4² + 4² = 16 + 16 + 16 + 16 = 64

∴ n³ + n³ + n³ + n³ = 4³ + 4³ + 4³ + 4³  = 64 + 64 + 64 + 64 = 256

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