rationalise the denominator of √5-3√5/4√7+2√8
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0
Answer:
30
114−41
6
Step-by-step explanation:
48
+
18
7
3
−5
2
The conjugate of
48
+
18
is
48
−
18
=
48
+
18
7
3
−5
2
×
48
−
18
48
−
18
=
48−18
7
48×3
−7
3×18
−5
48×2
+5
18×2
=
30
7×12−7×3
6
−5×4
6
+5×6
=
30
114−41
6
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