" (iv) "sqrt(7)times sqrt(343)

Evaluate : ( sqrt(3) + sqrt(7) ) times ( sqrt(3) + sqrt(7) )

If sqrt(a)times sqrt(b)=sqrt(a times b) find sqrt(3675)times sqrt(2352)

Evaluate : ( sqrt(7) - 6 ) times ( sqrt(3) - sqrt(7) )

Classify the following numbers as rational or irrational number: (i) sqrt(27) (ii) sqrt(36 (iii) sqrt(5) xx sqrt(125) (iv) 2 sqrt(3) (v) (7 sqrt(7))/(sqrt(343)) (vi) 2 + sqrt(21) (viii) 5 + 2 sqrt(23) - (sqrt(25) + sqrt(92)) (viii) (22)/(7) (ix) pi (x) .^(3)sqrt(37)

Evaluate : ( sqrt(7) + sqrt(2) ) times ( sqrt(3) + sqrt(8) )

Solve : 7/ sqrt(5) times 4/ sqrt(5)

Examine whether of the following numbers are rational or irrational . (i) 3 + sqrt(3)" " (ii) sqrt(7)-2 " " (iii)""^(3)sqrt(5) xx ""^(3)sqrt(25) sqrt(7) xx sqrt(343)" " (v)sqrt((13)/(117))" " (vi)sqrt(8) xx sqrt(2)

1/(sqrt(7)+sqrt(3))\times (sqrt(7)-sqrt(3))/(sqrt(7)-sqrt(3))

Prove that (1)/(sqrt(7))=(1)/(sqrt(7))times(sqrt(7))/(sqrt(7))

Evaluate : sqrt(3) times ( sqrt(7) - sqrt(3) )