simplify (√3-√5)(√5+√3)/7-2√5
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Answered by
3
Answer:
=(√3-√5)(√5+√3)/7-2√5
multiplying the first two :-
=√15-3-5-√15/7-2√5
= -8/7-2√5
rationalisation:-
=-8(7-2√5)/49-20
= -56+16√5/29
.....hope I will right......
Answered by
2
Step-by-step explanation:
(√3 -√5)(√3+√5)/7-2√5
3+5+√15/7-2√5
8+√15/7-2√5 ×7+2√5/7+2√5
=42+7√5 +16√5+10/ 49-20
=52+23√5/29
plz Mark as brilliant
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