find the value of a and b in 5+2underroot 3/7+ 4underroot 3 = a+b underroot 3
Answers
Answered by
0
Answer:
a= 11, b= -6
Step-by-step explanation:
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
Similar questions