rationalise the denominator of 3/4+7 root 5 ?
Answers
Answered by
0
3/4+7√5
=3/4+7√5 × 4 -7√5/4 - 7√5
=3(4-7√5)/(4)² - 49×5
=12-21√5/16-245
=-9√5/-229
=9√5/229
Similar questions