Math, asked by s4sakshamp8gwpy, 1 year ago

4/2+√3 + √7 rationalise plz help plz plz plz plz

Answers

Answered by gamesplayer225
1

Answer:


Step-by-step explanation:

Q. Rationalize denominator of 4 / ( √7 + √3 ).


= 4 / ( √7 + √3 )


By multiplying numerator and denominator by ( √7 - √3 ).


= 4 ( √7 - √3 ) ÷ ( √7 + √3 ) ( √7 - √3 )


=  4(√7 - √3 ) ÷ { (√7)² - (√3)² }


= 4 ( √7 - √3 ) ÷ ( 7 - 3 )


= 4 ( √7 - √3 ) ÷ 4


= 4 ( √7 - √3 ) × 1/4


= ( √7 - √3 )


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