of = a + b35. find the value of a . √7+ √5 9. If √7-√5 and b.
Answers
Answered by
25
Answer:
a+
11
7
5
b=
7−
5
7+
5
−
7+
5
7−
5
=
(7+
5
)(7−
5
)
(7+
5
)
2
−(7−
5
)
2
=
49−5
49+5+14
5
−49−5+14
5
=
44
28
5
=
11
7
5
a+
11
7
5
b=0+
11
7
5
(1)
⟹a=0,b=1
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