Math, asked by chhayapatel3010, 6 months ago

Rationalize the denominator and simplify 7+3√5/7-3√5=a+b√5 find a and b

Answers

Answered by taraniamulu

0

Answer:

7+3√52+√5−7−3√52−√5

=(7+4√5)(2−√5)−(7−3√5)(2+√5)(2+√5)(2−√5)

=14−7√5+6√5−15−14−7√5+6√5+154−5

=−14√5+12√5−1

=2√5

Comparing LHS and RHS,

a=0 and b=2.

Answered by Nksystem

0

Answer:

a=45 and b=2√5

good luck

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