1.

Determine the Ap whose third term is 16 and the 7th term exceeds the 5th term by12

Answer» a3=16a+2d=16 eq.1a7 =a5+12a+6d=a+4d+122d=12d=6Put the value of d in eq.1a+2d=16a+2(6)=16a=16-12a=4The A.P. form 4,10,16,,.........


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