If 4,x,y,z,64 are consecutive terms of an exponential sequence find the value of x, y,...

If 4,x,y,z,64 are consecutive terms of an exponential sequence find the value of x, y, z?

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Answers (1)

Vek Tor
1 month ago
The first term=4
The 64 given there is the 5th term by the arrangement
then a=4 i.e first term
T5=a+4d=64
4+4d=64
4d=64-4
4d=60
d=60/4=15

values of x, y, z represent T2, T3 and T4
then
T2=a+d=4+15=19
T3=a+2d=4+2(15)=4+30=34
T4=a+3d=4+3(15)=4+45=49

therefore x, y and z are respectively 19, 34 and 49
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