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[" 10.) Co-efficient of "alpha^(t)" in t...

[" 10.) Co-efficient of "alpha^(t)" in the expansion of,"],[(alpha+p)^(m-1)+(alpha+p)^(m-2)(alpha+q)+(alpha+p)^(m-3)(alpha+q)^(2)+......(alpha+q)^(m-1)" where "alpha!=-q" and "p!=q" is: "],[[" (A) "(C_(1)(p^(t)-q^(t)))/(p-q)," (B) "(m_(t)(p^(m-t)-q^(m-t)))/(p-q)(C)(m_(1)(p^(t)+q^(t)))/(p-q)," (D) "(m(p^(m-1)+q^(m-1)))/(p-q)]]

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