rational the denominator of 8 upon 7 minus 3 root 5
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Answer:
14+6√5 is the answer
Step-by-step explanation:
= 8/7-3√5 into (*) 7+3√5/7+3√5
= 8(7+3√5) / (7)sq - (3√5 )sq
= 8(7+3√5) / 49-45
= 8(7+3√5) / 4
= 8 gets cancelled by 4 and gives 2
= 2(7+3√5)
= 14+6√5 ......
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