in geometric progression 4th term is 24,7th term is 192 then find the 10th & 15th term
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a4=24
ar^3=24
a=24/r^3
a7=192
ar^6=192
24/r^3×r^6=192
r^6/r^3=192/24
r^3=8
r=2
ar^3=24
a2^3=24
8a=24
a=24/8
a=3
a10=ar^9
=3×2^9
=3×512
=1536
a15=ar^14
=3×2^14
= 3×16384
=50152
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