12+4√5+75+6√339
−(24+18√6+8√5+6√30)38
24+3√6+85+6√3019
−15+3√5+185+6√3036
−(12+4√5+9√6+3√30)19
Correct answer is B
Rationalize using the reciprocal of the denominator to multiply through
(i.e. Multiply both numerator and denominator using 4+3√6 )
Watch your signs in the course of this.
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