Home
Class 9
MATHS
Evaluate, Correct to one place to decima...

Evaluate, Correct to one place to decimal, the expression `5/(sqrt(20)-sqrt(10))," if "sqrt(5)=22 and sqrt(10)=3.2`

Text Solution

Verified by Experts

The correct Answer is:
`3.6 or 4.2`
Promotional Banner

Topper's Solved these Questions

  • RATIONAL AND IRRATIONAL NUMBERS

    ICSE|Exercise EXERCISE 1 (C)|49 Videos

  • PYTHAGORAS THEOREM

    ICSE|Exercise 4 MARKS QUESTIONS|9 Videos

  • RECTILINEAR FIGURES

    ICSE|Exercise QUADRILATERALS AND ITS PROPERTIES - 4 MARKS QUESTIONS|7 Videos

Similar Questions

Explore conceptually related problems

Evaluate sqrt(26) correct upto two place of decimal

Find the value to three places of decimals, of sqrt(10) : It is given that sqrt(2)=1. 414 ,sqrt(3)=1. 732 , and sqrt(5)=2. 236 (approx.)

Simplify the following expressions: (i) (sqrt(3)+sqrt(7))^2 (ii) (2sqrt(5)+3sqrt(2))^2

Find the values of each of the following correct to three places of decimals, it being given that sqrt(2)=1. 4142 ,\ sqrt(3)=1. 732 ,\ \ sqrt(5)=2. 2360 ,\ sqrt(6)=2. 4495 and sqrt(10)=3. 162. (i)\ (3-sqrt(5))/(3+2sqrt(5)) (ii)\ (1+sqrt(2))/(3-2sqrt(2))

Simplify the following expressions : (sqrt5-sqrt2)(sqrt5+sqrt2)

Factorize each of the following expressions : (i) 4sqrt(3)x^2+5x-2sqrt(3) , (ii) 5sqrt(5)x^2+30 x+8sqrt(5)

Find the value to three places of decimals; of sqrt15 . It is given that sqrt(2)=1. 414 ,sqrt(3)=1. 732 ,sqrt(10)=3. 162a n dsqrt(5)=2. 236 (approx.).

Find sqrt(2+3sqrt(-5)) + sqrt(2-3sqrt(-5))

Simplify the following expressions: (i) (3+sqrt(3))(2+sqrt(2)) (ii) (5+sqrt(7))(2+sqrt(5))

Evaluate : (15)/(sqrt(10)+sqrt(20)+sqrt(40)-sqrt(5)-sqrt(80)), is being given that sqrt(5)=2. 236 and sqrt(10)=3. 1362