Question

2tan30°
______
1-tan-30​

Answer 1

Answer:

√3+1

Step-by-step explanation:

tan30 = 1/√3

ATQ,

(2×1/√3)/(1-1/√3)

(2/√3)(√3-1)/√3)

2/(√3-1)

On rationalising,

2/(√3-1) × (√3+1)/(√3+1)

2(√3+1)/(√3²-1²)

2(√3+1)/(3-1)

2(√3+1)/2

√3+1