Can anyone solve this Q plzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
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mkrishnan:
hai
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hope it is helpful..........
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x = 9 - 4√5 = [√5 - 2 ] ^2
√x = √5 -2
1/√x = 1/[√5 -2 ] = [√5 +2 ]/[√5+2][√5 -2]
= [√5 +2] / [ 5 - 4 ]
=[√5 +2 ]/1
=√5 +2
√x - 1 / √x = √5 -2 - [√5 +2]
=√5 -2 -√5 -2
= -4
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