Rationalise the denominator of 4
/
3-√7
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Answer:
6+2√7 is your answer for this question
Answered by
1
Answer:
Q. Rationalize denominator of 4 / ( √7 + √3 ).
Step-by-step explanation:
= 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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