1.

`1/(1+sqrt(2)+sqrt(3))+1/(1-sqrt(2)+sqrt(3))` का मान क्‍या है?A. `sqrt(2)`B. `sqrt(3)`C. `1`D. `4(sqrt(3)+sqrt(2))`

Answer» Correct Answer - C
`1/(1+sqrt(2)+sqrt(3))+1/(1-sqrt(2)+sqrt(3))`
`implies1/(1+sqrt(3)+sqrt(2))+1/(1+sqrt(3)-sqrt(2))`
`implies (1+sqrt(3)-sqrt(2)+1+sqrt(3)+sqrt(2))/((1+sqrt(3))^(2)-(sqrt(2))^(2))`
`implies(2+2sqrt(3))/(4+2sqrt(3)-2)`
`implies(2+2sqrt(3))/(2+2sqrt(3))`
`implies 1`


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