Find the eight and eleventh term of each geometric sequence. - 1,4,-16,64.with solving
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Find the eight and eleventh term of each geometric sequence. - 1,4,-16,64.with solving
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Step-by-step explanation:
a1 = -1
r = -4
an = a1 • r ^n - 1
a8 = -1 • (-4)^8-1
= -1 • (-4)⁷
= -1 • -16384
a8 = 16,384
a11 = -1 • (-4)^11-1
= -1 • (-4)¹⁰
= -1 • 1048576
a11 = -1,048,576
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