The fourth term of ap is 14 and eight term pf ap is 26 find the tenth term of ap
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a4=14 a8=26
a+3d=14 (1) a+7d=26 (2)
subtracting (1) and (2)
a+3d=14
a+7d=26
- - -
-4d= -12
d=3
put in(1)
a+3(3)=14
a+9=14
a=5
a+3d=14 (1) a+7d=26 (2)
subtracting (1) and (2)
a+3d=14
a+7d=26
- - -
-4d= -12
d=3
put in(1)
a+3(3)=14
a+9=14
a=5
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