How can √(2)−1÷√(2) become 2−√(2)÷2
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mrudulakadagattur7:
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root 2 -1 ÷ root 2
LCM OF ROOT 2
root 2 * root 2 - 1.
................................................=2 - 1/ root 2
root 2.
now, (2-1)root2 /root2*root2
= 2 -root 2 / 2
LCM OF ROOT 2
root 2 * root 2 - 1.
................................................=2 - 1/ root 2
root 2.
now, (2-1)root2 /root2*root2
= 2 -root 2 / 2
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