Question
Simplify : ` sqrt([(12.1)^2 - (8.1)^2] -: [(0.25)^2 + (0.25) (19.95)])`
Answer: Option A
Was this answer helpful ?
Sol. Given exp. = `sqrt((12.1 + 8.1) (12.1 - 8.1))/((0.25) (0.25 + 19.95))`
= `sqrt((20.2 xx 4)/(0.25 xx 20.2))`
= `sqrt(4/0.25) = sqrt(400/25) = sqrt(16) ` = 4
Was this answer helpful ?
More Questions on This Topic :
Question 4.
Find he value of `sqrt(0.289/0.00121)`
....
Question 7.
What is the square root of 0.0009 ?
....
Question 8.
Find the value of `sqrt(1 9/16)`
....
Question 10.
Evaluate : `sqrt(248+ sqrt(51 + sqrt(169)))`
....
Latest Videos
Latest Test Papers
Submit Solution