the 11th terms of an AP -5,-5/2,0,5/2
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we know a and d now by putting in the formula the values we get the answer=20
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a= -5
d= -5/2-(-5) = 5/2
a11 = a+10d
= -5+10X5/2
= -5+25
= 20
The 11th term is 20
d= -5/2-(-5) = 5/2
a11 = a+10d
= -5+10X5/2
= -5+25
= 20
The 11th term is 20
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