(i) For an A.P., if S10= 150 and S9 = 126,t10 =?
(A) 24 (B) 22 (C) 26 (D) 20
Answers
Answered by
6
Answer:
24 is the answer
Step-by-step explanation:
150-126=24
Answered by
12
Answer:
A)70
Step-by-step explanation:
Sum of n terms = n/2 (2a + (n-1)d )
●150 =10/2( 2a + 9d )
2a + 9d = 30
●Then, 126 = 9/2 (2a + 8d)
2a + 8d = 28
Solving these two equations, d = 2 and a = 6.
10th term = a + (n-1)2
= 6 + 9×2
= 24
HOPE THIS HELPS YOU
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