Question

simplify by rationalising the denominator 7/√3 and ​

Answer 1

Answer:

25

Step-by-step explanation:

By rationalising  ,we get

= by a^2 -b^2 = (a+b)(a-b)

=25*3 - 25*2

=75-50

=25

Therefore the denominator is 25.

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Answer 2

Answer:

7\√3= 7+√3/√3+√3= 7+√3/√3