explain kar dena otherwise report answer
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explain kar dena otherwise report answer
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Answer:
Rationalising factor of a number is a number whose product with given number gives a rational number .
☆ now here , we get a rational number when we multiply :-
[tex]5 +2 \sqrt{3} \times 5 - 2 \sqrt{3} [/tex]
[tex] = 25 - 12 = 13.[/tex]
therefore , option d is the answer .
Verified answer
Answer:
Rationalising the factor of 5+2√3 is
=>(5+2√3)(5-2√3)
=>(5^2-(2√3)^2)
=>(25-(4×3))
=>(25-12)
=>13
So,option d)5-2√3
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