1.

Find the 10th term of the AP : 2 , 7 , 12

Answer» A=2D=5T10 = A+(n-1)D 2+9*5 2+45 47
A=2,d=5,n=10 an=?By using this formula,,an=a+(n-1)d=2+(10-1)5=2+(9)5=2+45=47
47
a=2, d=5 , T10=?we know,Tn= a+(n-1)dT10=2+(10-1)5 =2+9*5 =2+45 =47
a=2d=t2-t1=7-2=5n=10T10=a+(n-1)d =2+(10-1)5=2+45=47
47
Hiii
47


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