find the specified term for each geometric sequence.
a = - 4, r=3; a8
a1 = 6,r = 4; a7
a = 6, r = 1/3;a12
a1 = 5,r = 1/5; a7
a1 = 3, r = -2; a20
a = - 4, r=3; a8
a1 = 6,r = 4; a7
a = 6, r = 1/3;a12
a1 = 5,r = 1/5; a7
a1 = 3, r = -2; a20
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Answer:
1.a,=-4 x=3
a8 = a(x)⁷
=-4(3)⁷x2187=-8748
2.a,=6 x=4
a6=a(x)⁵
=6(4)⁵=6x1024 = 6144
3. a,=6. x⅓
a12=a(x)¹¹=6x(⅓)¹¹=2\3¹⁰