Find the Value of a and b???
If 5+2√3 / 7+4√3 = a + b √3
Answers
Answered by
2
Answer:
a=11 and b=-6
Step-by-step explanation:
by rationalise denominator
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Answered by
1
Answer:
a=11 and b= -6
Step-by-step explanation:
As,5+2√3/7+4√3=a+b√3
Now,by rationalising,we get
=(5+2√3)(7-4√3)/(7+4√3)(7-4√3)=a+b√3
=35-20√3+14√3-24/(7)^2-(4√3)^2=a+b√3
=11-6√3/49-48=a+b√3
11-6√3=a+b√3
11+(-6)√3=a+b√3
By visualising the equation, we get
a=11 and b= -6
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