Question

find the value of root 1.21- root 0.01​

Answer 1

Q. √1.21 - √0.01

= √(1.1 * 1.1) - √(0.1 * 0.1)

= 1.1 - 0.1

= 1.0

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Answer 2

The value of the expression is $\sqrt{1.21}-\sqrt{0.01}=1$

Step-by-step explanation:

Given : Expression $\sqrt{1.21}-\sqrt{0.01}$

To find : The value of the expression ?

Solution :

Write the expression as,

$\sqrt{1.21}-\sqrt{0.01}=\sqrt{\frac{121}{100}}-\sqrt{\frac{1}{100}}$

$\sqrt{1.21}-\sqrt{0.01}=\sqrt{\frac{11^2}{10^2}}-\sqrt{\frac{1}{10^2}}$

$\sqrt{1.21}-\sqrt{0.01}=\sqrt{(\frac{11}{10})^2}-\sqrt{(\frac{1}{10})^2}$

$\sqrt{1.21}-\sqrt{0.01}=\frac{11}{10}-\frac{1}{10}$

$\sqrt{1.21}-\sqrt{0.01}=\frac{11-1}{10}$

$\sqrt{1.21}-\sqrt{0.01}=\frac{10}{10}$

$\sqrt{1.21}-\sqrt{0.01}=1$

Therefore, the value of the expression is 1.

#Learn more

Find the value step by step √1.21-√0.01

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