rationalise the denominator of. 5/✓3-✓5
Answers
Answered by
2
Answer:
-5/2(√3+√5) or -5(√3+√5)/2
Step-by-step explanation:
5/√3-√5 x √3+√5/√3+√5 (rationalising with √3+√5)
= 5(√3+√5)/ (√3)^2-(√5)^2
= 5(√3+√5)/(3-5). (as √3^2=3 and √5^2=5)
= -5/2(√3+√5)
Hope this helps.
Answered by
0
Answer:
3
−
2
+
5
3
=
3
−
2
+
5
3
.
3
−
2
−
5
3
−
2
−
5
=
(
3
−
2
)
2
−(
5
)
2
3(
3
−
2
−
5
)
=
3+2−2
6
−5
3(
3
−
2
−
5
)
=
−2
6
3(
3
−
2
−
5
)
=
−2
6
3(
3
−
2
−
5
)
×
6
6
=
−12
3(
18
−
12
−
30
)
=
−4
3
2
−2
3
−
30
=
4
2
3
+
30
−3
2
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