Answer:
4095
Explanation:
3(4⁰) + 3(4¹) + 3(4²) + 3(4³) + 3(4⁴) + 3(4⁵)
3(4⁰ + 4¹ + 4² + 4³ + 4⁴ + 4⁵)
3(1 + 4 + 16 + 64 + 256 + 1024)
3 * 1365 = 4095
3(4ⁿ⁻¹),
r= 4,
n=6
S₆=?
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3*(4⁰+4¹+4²+4³+4⁴+4⁵)= 3*(4⁶-1)/(4-1)= 4095
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