If the 7th term of an ap is 1\9 and it's 9th term is 1\7 find its 63rd term
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Answer is 1 dude
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james32:
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t7=1/9;
t9=1/7;
a+6d=1/9;
a+8d=1/7;
on solving...........
d=8/63
a=-25/42;
t63=a+62d
t9=1/7;
a+6d=1/9;
a+8d=1/7;
on solving...........
d=8/63
a=-25/42;
t63=a+62d
it is incomplete and the main answers is not there
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