rationalize the factor of 1/root7-root4
Answers
Answered by
1
Answer:
√7+√4/3
Step-by-step explanation:
To rationalise 1/√7-√4
multiply and divide by √7+√4
1/√7-√4×√7+√4/√7+√4=√7+√4/3
as (a-b) (a+b) = a^2-b^2
Similar questions