find the value of a and b, if root 3-1by root 3+1=a +b root 3
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Answer with step-by-step-explanation:
Given that,
√3 - 1/√3 + 1 = a + b√3
On rationalising, we get:
⇒ √3 - 1/√3 + 1 × √3 - 1/√3 - 1
⇒ (√3 - 1)²/(√3)² - (1)²
⇒ (√3)² + (1)² - 2 × √3 × 1/ 3 - 1
⇒ 3 + 1 - 2 × √3 /2
⇒ 4 - 2√3 × -1 /2 × -1
⇒ 2 + 2√3
On substituting the above value, we get:
a = 2, b = 2
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