If for A.P.,t2 =4 and d= -2, then
what is the value of a?
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Answered by
1
Answer:
A 1⁄4 3.40731 and B 1⁄4 4.81295, giving B/A 1⁄4 3.0 dB. From this, D/SLL0 1⁄4 1/A 1⁄4 0.2935, a value that ...
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Answered by
13
Answer:
a2 = 4
d = -2
an = a+(n-1)d
4 = a+(2-1)×-2
4 = a-2
a = 4+2 = 6
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