The 6th term of an A.P is five times the 3rd term while the 7th term is 9 greater than 4th term .find
a) first 5 terms of A.P
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a6+5d=3 A7=9.
a+5d+5d=3 a+8d=9
a=3. 3+8d=9
8d=9-3
8d=6
d=6/8
d=3/4
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