find the value of a and b if
5+2√3/7 +√3 =a+b√3
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Answered by
0
a=5
b=9/7
5+2√3/7+√3,we will take lcm
5+2√3/7+7√3/7
5+9/7√3
mahi123654:
why we will take 1cm
to add 2√3/7and √3
what is the value of a and b
Answered by
1
Lhs = (5+2√3)/(7+4√3)
= [(5+2√3)(7-4√3)]/[(7-4√3)(7+4√3)]
=[35-20√3+14√3-24]/[7²-(4√3)²]
=[11-6√3]/[49-48]
=11-6√3
therefore
11-6√3 = a+b√3
compare both sides
a= 11, b= -6
hy from wher 4 came
tell me
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