For an given A.P. t7 = 4, d = -4 then a = . . .
Choose the correct alternative answer.
For an given A.P. \(t_7\) = 4, d = -4 then a = . . .
(A) 6 (B) 7 (C) 20 (D) 28
Choose the correct alternative answer.
For an given A.P. \(t_7\) = 4, d = -4 then a = . . .
(A) 6 (B) 7 (C) 20 (D) 28
Answer: (D) 28
\(t_7 = a + 6d\): \(4 = a - 24\), so \(a = 28\).
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