3,a-1,3a-14 A.P. मै है,तो aका मान होगा
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9. (3+3a-14)/2=a-1
2a-2=3a-1
a=9
2a-2=3a-1
a=9
nishantkumar421:
give answer in details
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I do not understand equation. Please write clearly equation
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