Oues.
Rationalise the denominator in each of the followings and hence evaluate by taking , root
2= 1.414, root3 = 1.732 and root5 = 2.236 , upto three
places of decimal
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Step-by-step explanation:
Given,
3
+
2
1
Rationalizing the denominator, we get
3
+
2
1
×
3
−
2
3
−
2
=
(
3
+
2
)(
3
−
2
)
3
−
2
=
(
3
)
2
−(
2
)
2
1.732−1.414
=
3−2
0.318
=0.318
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