Rationalise the denominator of 3-2√2/3+2√2
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Answered by
2
Answer:
Rationalise 3-2root2/3+2root2
Step-by-step explanation:
First,
3-2root2/3+2root2*3-2root2/3-2root2=
(3-2root2)^2/(3+2root2)(3-2root2)
9-12root2+8/9-8=
17-12root2/1=17-12root2
Answer=17-12 root2
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Answered by
0
Answer:
Step-by-step explanation:
(3-2sqrt(2))/(3+2sqrt(2))
the denominator is 3+2sqrt(2) rationalising factor is 3-2sqrt(2)
(3-2sqrt(2))(3-2sqrt(2))/(9-8)
=(3-2sqrt(2))^2/1
=9+8-12sqrt(2)
=17-12sqrt(2)
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