Question

HEY frnds plz Gv me the solution of Q.no. 2 n most importantly gv the reasons..plzzzzz

Answer 1

Solution: -

1) irrational → root 3 is irrational number.

2) Rational → root 361= 19 so it is rational

3) irrational → it is irrational no.

4) rational → root 1.44 = 1.2 which is rational

5) irrational → root 6 is irrational number.

6) rational → it is terminating decimal.

7) rational → It value become Repeting decimal.

8) irrational → it is non terminating and non Repeting decimal

9) irrational → it is non terminating and non Repeting decimal.

10) rational → it is non terminating but Repeting decimal

11) rational → it is non terminating but Repeting decimal



HOPE YOU GET YOUR ANSWERS WITH REASON☺

Answer 2

hy
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1.

$\sqrt{ \frac{3}{81} } = \sqrt{ \frac{3}{9} } = \sqrt{3}$

its an irrational number as √3, doesnot comes out from the square root

2.
$\sqrt{361} = 19$
it is a rational number

3.
$\sqrt{21}$
its an irrational bcoz it doesnot comes out from the square root

4.

$\sqrt{1.44} = 1.2$

its an rational no as it comes out from the square root

5.

$\frac{2}{3} \sqrt{3}$

its an irrational number

6.
$4.1276$

it is a rational no as it doesnot repeat

7.

$\frac{22}{7} = 3.14285714285714$

its repeating so its rational number

8.

$1.2323233$

its an irrational number

9.
$3.040040004$

its an irrational number.

10

$6.834834$

its rational number

$hope \: \: \: helped$