Find the value of n and X in each of the following cases:

Find the values of n and bar X in each of the following cases: (i) sum_(i=1)^n (x_1-12)=-10 and sum_(i=1)^n (x_1-3)=62 (ii) sum_(i=1)^n (x_1-10)=30 and sum_(i=1)^n (x_1-6)=150

Find the values of n and bar(X) in each of the following cases: (i) sum_(i=1)^(n)(x_(1)-12)=-10 and sum_(i=1)^(n)(x_(1)-3)=62(ii)sum_(i=1)^(n)(x_(1)-10)=30 and sum_(i=1)^(n)(x_(1)-6)=150

Find the value of n in each of the following cases : if .^(2n)C_(4):^(n)C_(3)=35:2

Find the value of n in each of the following cases : if .^(n)C_(n-2)=21

Find the value of n in each of the following cases : if .^(n)C_(n-4)=70

Find the value of n in each of the following cases : if .^(n)C_(5)=^(n)C_(9)

Find the value of n in each of the following cases : if .^(20)C_(3n)=^(20)C_(2n+5)

Find the value of in each of the following cases:

Find the zero of the polynomial in each of the following cases p(x)=x+4

Find the zero of the polynomial in each of the following cases p(x)=x-5