Math, asked by prratham007, 5 months ago

Rationalize the denominator of 8 / 7−3√5

Answers

Answered by dandi19
23
Solution:

= 8/(7 - 3√5) • (7 + 3√5)/(7 + 3√5)

= 8/(7 + 3√5)/(7)^2 - (3√5)^

= 8/(7 + 3√5)/49 - 45

= 8/(7 + 3√5)/4

= 2(7 + 3√5)

= 14 + 6√5

Hope this will help.
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