Question

if x=7-4√3 find the value of √x+4÷√x
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Answer 1

x = 7+4√3. To find √x we proceed,. √x = √(7 +4√3). √x = √(7+2x2√3). √x = √(7+2√3x4 ). √x = √(3+4+2√3x4)….. {writing 7 = 3+4}.