If \[a,\ b,\ c\] are in A.P., then \[{{10}^{ax+10}},\ {{10}^{bx+10}},\ {{10}^{cx+10}}\] will be in [Pb. CET 1989]

If \[a,\ b,\ c\] are in A.P., then \[{{10}^{ax+10}},\ {{10}^{bx+10}},\

1.	If \[a,\ b,\ c\] are in A.P., then \[{{10}^{ax+10}},\ {{10}^{bx+10}},\ {{10}^{cx+10}}\] will be in [Pb. CET 1989]
A.	A.P.
B.	G.P. only when \[x>0\]
C.	G.P. for all values of \[x\]
D.	G.P. for \[x<0\]
Answer» D. G.P. for \[x<0\]

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If \[a,\ b,\ c\] are in A.P., then \[{{10}^{ax+10}},\ {{10}^{bx+10}},\ {{10}^{cx+10}}\] will be in [Pb. CET 1989]

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