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Find the square root of (2-root5) in the form of root a - root b |
| Answer» 2 - √5 To FIND : SQUARE root in the form of root a - root b Solution:Let say √a - √b is the Square root of 2 - √5 => (√a - √b )² = 2 - √5=> a + b - 2√ab = 2 - √5=> a + b = 2 2√ab = √5=> 4ab = 5=> ab = 5/4Hence a & b are roots of Equation x² - 2x + 5/4 = 0 => x = (2 ± √(4 - 5) )/2=> x = ( 2 ± i)/2a = ( 2 + i)/2 , b = ( 2 - i)/2Square root of 2 - √5 = √ (( 2 + i)/2 ) - √ (( 2 - i)/2 ) Learn more:√814-8√2163+15√325+√225 plez tell me the answer - Brainly.inbrainly.in/question/10157695if the square root of a positive real number is greater than the ...brainly.in/question/14591272 | |