Coefficient of `a^(8)b^(5)c^(7)` in the expansion of `(ab+bc+ca)^(10)` is

The coefficient of a^(8)b^(3)c^(7) in the expansion of (ab+bc+ca)^(10) is

Find the coefficient of a^(3)b^(4)c^(5) in the expansion of (bc+ca+ab)^(6)

If the coefficient of a^(7)b^(8) in the expansion of (a + 2b + 4ab)^(10) is K.2^(16) , then K is equal to ___________.

Find the coefficient of a^(3) b^(4)c^(5) in the expasion of (bc + ca + ab)^(6)

Coefficient of a^3b^4c^5 in expansion of (bc+ca+ab)^6

In the expansion of (a+b+c)^10 (A) total number of terms in 66 (B) coefficient of a^8 bc is 90 (C) coefficient of a^4b^5c^3 is 0 (D) none of these

If a+b+c=5, a^(2)+b^(2)+c^(2)=6 then ab+bc+ca=?

If a+b+c=7, a^(2)+b^(2)+c^(2)=9 then, ab+bc+ca=?

If a +b+c=7 and a^(3)+b^(3)+c^(3)-3abc=175 ,then what is the value of ab +bc +ca ?