If (√11 +1)/(√11-1) = − √11, then find the value of and
Answers
Answered by
2
Answer:
Rationalize the Left hand side,
11
+
7
11
−
7
=
11
+
7
11
−
7
×
11
−
7
11
−
7
=
(
11
+
7
)(
11
−
7
)
(
11
−
7
)
2
=
(
11
)
2
−(
7
)
2
(
11
)
2
+(
7
)
2
−2(
11
)(
7
)
=
11−7
11+7−2
77
=
4
18−2
77
=
4
18
−
4
2
77
=
2
9
−
2
1
77
Now,
2
9
−
2
1
77
=a−b
77
⇒a=
2
9
,b=
2
1
a+b=
2
9
+
2
1
=
2
10
=5
kerdson12rosna:
can u explain this why writing in a paper plz.
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