Find the value of (x-1/x) if x=1+√2
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0
This is the right answer
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anverfathima:
Still the rationalization is correct
After that
the answer must also be correct
then
answer is 2-root2 try again
check your answer sheet again
not the answer is correct i have checked the answer in ml agarwal
Answered by
1
x=1+root2
or, x=root2+1
x-1x/x
root2+1-1/root2+1
root2/root2+1
[RATIONALISE]
root2/root2+1 × root2-1/root2-1
2-root2/(root2)^2-(1)^2
2-root2/2-1
2-root2/1
2-root2 ANSWER
or, x=root2+1
x-1x/x
root2+1-1/root2+1
root2/root2+1
[RATIONALISE]
root2/root2+1 × root2-1/root2-1
2-root2/(root2)^2-(1)^2
2-root2/2-1
2-root2/1
2-root2 ANSWER
the correct answer is 2 i have the same question in my book ml agarwal
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