Question

rationalise the denominator of the following 5+2√3/7+4√3​

Answer 1

Answer:

answer is 11- 6√3

Step-by-step explanation:

(5+2√3)/(7+4√3)

(5+2√3)/(7+4√3) × (7-4√3)/(7-4√3)

[(5+2√3)(7-4√3)]/[(7+4√3)(7-4√3)]

[35 - 20√3 + 14√3 - 24]/[(7)² - (4√3)²]

[11 - 6√3]/[49 - 48]

[11 - 6√3]/1

11 - 6√3

Answer 2

Step-by-step explanation:

in this question first we 've to multiply numerator and denominator by denominator conjugate then step by step we can simply solve it