5) if a,b,c are in AP, then
3а, 3b, 3c are in
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Answered by
0
Answer:
3 AP
Step-by-step explanation:
1a,1b,1c = 1AP
3a,3b,3c= 3AP
Answered by
0
Answer:
so it is proved that 3a 3b 3c is in gp
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