Problema Solution
Find difference between radical numbers
What is the length of on the number line below?
square root of 18 and square root of 50
Answer provided by our tutors
Length = Square root of 50 - square root of 18
= square root of ( 2 x 25) - square root of ( 2 x 9 )
= square root of ( 2 x 5 square) - square root of ( 2 x 3 square )
= 5 square root of 2 - 3 square root of 2
= 2 square root of 2