the 10th term of an A.P is 25 & 15 th term is 40. Find the 1st term & common difference and then find the fifth term.
amitnrw:
d=3 , a=-2 5th term = 10
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Answer:
d=3 , a=-2 5th term = 10
Step-by-step explanation:
a + 9d = 25
a + 14d = 40
5d = 15
d = 3
a + 9×3 = 25
a = -2
a+4d = -2 + 4×3 = 10
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