Advertisements
Advertisements
Question
Find the square root of the following decimal numbers and fractions
`7 18/49`
Advertisements
Solution
`7 18/49 = sqrt(361/49)`
= `sqrt(361)/sqrt(49)`
= `sqrt(19^2)/sqrt(7^2)`
= `19/7 ...[because sqrt("a"/"b") = sqrt("a")/sqrt("b") ("b" ≠ 0)]`
= `19/7`
= `2 5/7`
49 ×
7
343 +
18
361
`sqrt(7 18/49) = 2 5/7`
APPEARS IN
RELATED QUESTIONS
Find the square root of the following decimal number.
31.36
Find the square root in decimal form:
84.8241
Find the square root in decimal form:
0.813604
Find the square root in decimal form:
225.6004
What is the fraction which when multiplied by itself gives 0.00053361?
Find the value of `sqrt (103.0225)`nd hence find the value of
`sqrt(10.302.25)`
`sqrt(1.030225)`
Find the square root the following correct to three places of decimal.
20
Find the square root the following correct to three places of decimal.
15.3215
Find the square root the following correct to three places of decimal.
`287 5/8`
A decimal number is multiplied by itself. If the product is 51.84, find the number.
