Rationalize the denominator 9/ 2 -9√7?'
(9 is over all the rest of the numbers)
9 / (2 - 9√7)
= 9(2 + 9√7) / [(2 - 9√7)(2 + 9√7)]
= (18 + 81√7) / (4 - 567)
= -(18 + 81√7) / 563
9(2+9#7)/4+18#7-18#7-81#49=
=18+81#7/4+567
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Verified answer
9 / (2 - 9√7)
= 9(2 + 9√7) / [(2 - 9√7)(2 + 9√7)]
= (18 + 81√7) / (4 - 567)
= -(18 + 81√7) / 563
9(2+9#7)/4+18#7-18#7-81#49=
=18+81#7/4+567