" (ii) "3sqrt(7)+2sqrt(7)

7sqrt(3)+2sqrt(27)

State in each case whether true or false: 3sqrt(7)-2sqrt(7)= sqrt(7)

Simplify: sqrt(7)-3/5sqrt(7)+2sqrt(7)

Simplify : sqrt(7)-3/5sqrt(7)+2sqrt(7)

Simplify the following expressions. (i) (5+sqrt(7))(2+sqrt(5)) (ii) (5+sqrt(5))(5-sqrt(5)) (iii) (sqrt(3)+sqrt(7))^2 (iv) (sqrt(11)-sqrt(7))(sqrt(11)+sqrt(7))

Multiply 3sqrt(7) by 5sqrt(7)

(3+sqrt(7))/(3-sqrt(7))

Solve each of the following quadratic equations: 3sqrt(7)x^(2)+4x-sqrt(7)=0