" IMultiply "6sqrt(5)" by "2sqrt(5)

Multiply: 6sqrt(5) and 2sqrt(5)

Multiply 6 sqrt5 " by " 2sqrt5 .

Multiply 6sqrt 5 by 2 sqrt5 .

(6+sqrt(5))/(6-sqrt(5))

6sqrt(20 ) +2sqrt5 =……..

(i) 3sqrt(5) by 2sqrt(5) ,(ii) 6sqrt(15) by 4sqrt(3) , (iii) 2sqrt(6) by 3sqrt(3) (iv) 3sqrt(8) by 3sqrt(2) ,(v) sqrt(10) by sqrt(40) , (vi) 3sqrt(28) by 2sqrt(7)

If center of a regular hexagon is at the origin and one of the vertices on the Argand diagram is 1+2i , then its perimeter is 2sqrt(5) b. 6sqrt(2) c. 4sqrt(5) d. 6sqrt(5)

If center of a regular hexagon is at the origin and one of the vertices on the Argand diagram is 1+2i , then its perimeter is 2sqrt(5) b. 6sqrt(2) c. 4sqrt(5) d. 6sqrt(5)