the 7th term and 17th term of an a.p. is 24 and 54
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a= 6, d=3
Step-by-step explanation:
a+6d = 24
a+16d = 54
Solving these will get
d = 3
Put in eq 1
a + 18 =24
a = 6
So, d= 3, a=6
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