The 4th term of Ap is 11. The sum of 5th term and 7th term is 34. Find common difference
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Answer:
4th term = 11
Therefore, a + 3d = 11....(1)
Sum of 5th and 7th term = 34
Therefore, a + 4d + a + 6d = 34
2a + 10d = 34.....(2)
On solving (1) and (2),
We get,
2a + 6d = 22
2a + 10d = 34
_____________
-4d = -12
d = 3
HOPE THAT THIS WAS HELPFUL!!!!
Step-by-step explanation:
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