A. Find the value of a and b , if 2-√5/2+3√5=√5 a+b
B. Express 0.545454.... in the form p/q where q not equal 0.
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Answer:
2+3
5
2−
5
⇒
(3
5
+2)(3
5
−2)
(2−
5
)(3
5
−2)
⇒
41
6
5
−4−15+2
5
⇒
41
8
−
19
∴a=
41
8
,b=−
41
19
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