( 2+√3)/(2-√3) = a+b √3 ,then value of b is
-4
-7
4
None of these
Answers
Answered by
1
Answer:
2−
3
2+
3
×
2+
3
2+
3
=
(2)
2
−(
3
)
2
(2+
3
)
2
=
4−3
7+4
3
=7+4
3
=A+B
3
⇒A=7,B=4.
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