rationalise the denominator of 5+route3/7-4route3
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multiply the denominator to numerator and denominator
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Heya !!
( 5 + √3 ) / ( 7 - 4√3 )
=> ( 5 + √3 ) / ( 7 - 4√3 ) × ( 7 + 4√3 ) / ( 7 + 4√3)
=> ( 5 + √3 ) ( 7 + 4√3 ) / (7-4√3)(7-4√3)
=> 5 ( 7+4√3 ) + √3 ( 7+4√3 ) / (7)² - (4√3)²
=> 35 + 20√3 + 7√3 + 12 / 49 - 48
=> 47 + 27√3 / 1
=> 47 + 27√3 [ Answer ]
( 5 + √3 ) / ( 7 - 4√3 )
=> ( 5 + √3 ) / ( 7 - 4√3 ) × ( 7 + 4√3 ) / ( 7 + 4√3)
=> ( 5 + √3 ) ( 7 + 4√3 ) / (7-4√3)(7-4√3)
=> 5 ( 7+4√3 ) + √3 ( 7+4√3 ) / (7)² - (4√3)²
=> 35 + 20√3 + 7√3 + 12 / 49 - 48
=> 47 + 27√3 / 1
=> 47 + 27√3 [ Answer ]
GargiKherkatary:
thnk uu for answer it is really helpful
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