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`2/(sqrt(7)+sqrt(5))+7/(sqrt(12)-sqrt(5))-5/(sqrt(12)-sqrt(7))` का सरलीकरण क्या है?A. 5B. 2C. 1D. 0 |
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Answer» Correct Answer - D `2/(sqrt(7)+sqrt(5)+7/(sqrt(12)-sqrt(5))-5/(sqrt(12)-sqrt(7))` `implies 2/(sqrt(7)+sqrt(5))xx(sqrt(7)-sqrt(5))/(sqrt(7)-sqrt(5))+` `7/(sqrt(12)-sqrt(5))xx((sqrt(12)+sqrt(5)))/((sqrt(12)+sqrt(5)))-` `(5/(sqrt(12)-sqrt(7))xx(sqrt(12)+sqrt(7))/(sqrt(12)+sqrt(7)))` `implies (2(sqrt(7)-sqrt(5)))/2+(7(sqrt(12)+sqrt(5)))/7` `-(5(sqrt(12)+sqrt(7))/5)` `impliessqrt(7)-sqrt(5)+sqrt(12)+sqrt(5)-sqrt(12)-sqrt(7)` `implies0` |
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