Question

1/✓9 - ✓8 is equal to​

Answer 1

Answer:  1/✓9 - ✓8

= HERE WE WILL BE RATIONALIZING THE FACTORS,

= 1/ ✓9 - ✓8  × ✓9 + ✓8 / ✓9 +✓8

= ✓9 + ✓8/ (✓9)² - (✓8)²                          [  ∵ HERE WE USE( a+b)(a-b)=a²-b²]

= ✓9 + ✓8 / 9-8

=   ✓9 + ✓8 / 1

= ✓9 + ✓8

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