please solve this question
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Answered by
1
Answer:
b) 2-✓3
Step-by-step explanation:
a= 2+✓3
1/a = 1/(2+✓3)
Rationalising Factor of 2+✓3 is 2-✓3
So,
1/a = 1 × (2-✓3) / (2+✓3) (2-✓3)
= 1× (2-✓3) / {(2^2) - (✓3)^2}
= (2-✓3)/ (4-3)
= 2-✓3
Answered by
2
Answer:
a=2+√3 then, 1/a=2-√3 ans.
So, correct option is (b)
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