Question

rationalise
a. (√2+√3)/(√2+√3)
b. (2√2+1)/(√3-1)​

Answer 1

Answer:

Step-by-step explanation

(√2 + √3) / (√2 − √3)

= [(√2 + √3) x (√2 + √3)] / [(√2 − √3) + (√2 + √3)]

expanding thre brackets,

= (2 + √6 + √6 + 3)/(2 + √6 - √6 - 3)

= (2 + 2√6 + 3) / (2 - 3)

= (5 + 2√6) / -1

= -5 - 2√6

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