Question

rationalize the denominator 7√3/√10+√3

Answer 1

√3(7+√10/√10)

√3/√10(7+√10)

1.732/3.16(10.16)

5.569

Answer 2

Refer To Attachment Given

Remember

a-b is Rationalising Factor of a+b

Since Denominator=√10+√3

Is In a+b form

(a+b)(a-b)=a²-b²

Then For Rationalize

Multiply √10-√3 to both Numerator and Denominator

Answer=√30-3