if the terms a b c d e are in AP then find the value of a-4b+6c-4d+e
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lets take a =1, b=2, c= 3, d =4, e=5
12345 are in ap so substitute the value in eq
1-4×2+6×3-4×4+5
=1-8+18-16+5
=1+10-11
=1-1
ans = 0
12345 are in ap so substitute the value in eq
1-4×2+6×3-4×4+5
=1-8+18-16+5
=1+10-11
=1-1
ans = 0
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