if the 10th term of a GP is 1536 then find its 15th term if 1st term is 3
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4
Answer:
241
Step-by-step explanation:
a=3
a10=156
a+9d=156
3+9d=156
9d= 156-3
9d=153
d=153/9=17
a15=a+14d
=3+14×17
= 3+238
=241
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