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(5+2√3) (5-2√3)

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13 is the best answer

(a+b)(a-b)=a^2 - b^2(5+2√3)(5-2√3)=(5)^2-(2√3)^2=25 - 4×3= 25-12=13

accept as best please help

13 is Right Answers of (5+√3) (5-√3)

(5+2√3) (5-2√3) (a+b) (a-b) =a2-b2=(5)2-(2√3)2= 25-12= 13

(13) is the correct answer

(5+2√3) (5-2√3)=13 is the best correct answer

13 is the right answer.

13 is the correct answer to this question.

aapka answer 13 hae it is right



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