" 4.(i) "sqrt(x)+sqrt(a)

I. sqrt(361x) + sqrt(16) = 0 II. sqrt(441) y + 4 = 0

" (i) "int(dx)/(sqrt(4-x^(2)))

((sqrt(3)+i sqrt(5))(sqrt(3)-i sqrt(5)))/((sqrt(3)+sqrt(2)i)-(sqrt(3)-i sqrt(2))

( (sqrt(2)+i sqrt(3))+(sqrt(2)-i sqrt(3)) )/( (sqrt(3)+i sqrt(2))+(sqrt(3)-i sqrt(2)) )

Prove that the following equations has no solutions. (i) sqrt((2x+7))+sqrt((x+4))=0

Prove that the following equations has no solutions. (i) sqrt((2x+7))+sqrt((x+4))=0

Prove that the following equations has no solutions. (i) sqrt((2x+7))+sqrt((x+4))=0

(sqrt(x)+sqrt(y))^(2)=x+y+2sqrt(xy) and sqrt(x)sqrt(y)=sqrt(xy) , where x and y are positive real numbers . If x=2sqrt(5)+sqrt(3) and y=2sqrt(5)-sqrt(3) , then x^(4)+y^(4) =