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reddi625sahu:
is ans 1/root 3
??
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2
firsty rationalise denominator,
√ 1+ x + √1 - x √ 1+x + √ 1 - x
----------------------- x ----------------------
√1 +x - √1 - x √ 1+x +√1 -x
= 2 - 2√ 1 - x²
-----------------
2x
= 1 - √ 1- x²
-----------------
x
= sub x value given
get 1/ √3....and√that's the ans.........
√ 1+ x + √1 - x √ 1+x + √ 1 - x
----------------------- x ----------------------
√1 +x - √1 - x √ 1+x +√1 -x
= 2 - 2√ 1 - x²
-----------------
2x
= 1 - √ 1- x²
-----------------
x
= sub x value given
get 1/ √3....and√that's the ans.........
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Answered by
3
I made a minor mistake.
After simplifying it is (2 + or - 1 )/√3...not (2 + or - √1 )/√3
-WonderGirl
After simplifying it is (2 + or - 1 )/√3...not (2 + or - √1 )/√3
-WonderGirl
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