Q 5. (6 + 5 √3) – (4 – 3 √3) is *
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Answer:
Given,
6+4
3
6−4
3
=
6+4
3
6−4
3
×
6−4
3
6−4
3
=
(6+4
3
)(6−4
3
)
(6−4
3
)
2
=
36−48
36−48
3
+48
=
−12
84−48
3
=−(7−4
3
)
=4
3
−7
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