If \( a, b, c \) are in HP, then the expression \( a(b-c) x^{2}+b \)
\( (c-a) x+c(a-b) \).... VIDEO
If \( a, b, c \) are in HP, then the expression \( a(b-c) x^{2}+b \)https://bit.ly/YTAI_PWAP https://www.pw.live
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