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Пікірлер: 23
@user-pi2my7vk5jАй бұрын
Задание решается устно!
@user-qy8re3yx3dАй бұрын
2+V3. Устно.
@antoniomassarini2404Ай бұрын
My solution: Num= 5*(sqrt(3)+1) Den= 5*(sqrt(3)-1) by multiplying both num and den by (sqrt(3)+1) one obtains (4+2*sqrt(3))/2=2+sqrt(3).
@user-of8ht8eh1mАй бұрын
2+√3
@professorsargeanthikesclim9293Ай бұрын
In method 1, after cancelling √25 and obtaining (√3 + 1)(√3 - 1), here's one more option. Rewrite the 1 in the numerator as -1 + 2. "Distribute" division by the denominator. (√3 - 1 + 2) / (√3 - 1) = 1 + 2 / (√3 - 1) = 1 + 2(√3 + 1) / ((√3)^2 - 1)l^2) = 1 + 2(√3 + 1) / 2 = 1 + √3 + 1 = 2 + √3.
@user-bs8mi3qw7gАй бұрын
My answer: 2+ sqrt3
@MathSyncАй бұрын
i ❤ Mathematics
@sergeyvinns931Ай бұрын
2+\/3!
@user-qm8yx7eb9y18 күн бұрын
75+25=100
@shsywv22 күн бұрын
2 is the answer
@quigonkennyАй бұрын
3:01 You say it's in the form of a "perfect square" here, but that's the wrong term. It's a "difference of two squares". A perfect square is an integer that has an integer square root. (√75+√25)/(√75-√25) √25(√3+1)/√25(√3-1) (√3+1)(√3+1)/(√3-1)(√3+1) (3+1+2√3)/(3-1) (4+2√3)/2 = 2 + √3
@rammohangulati4729Ай бұрын
Underoot3
@ST1_mappingАй бұрын
Mine solution: 1+1=3
@user-wd8qf3bk8nАй бұрын
УСТНО😂
@honestadministratorАй бұрын
(√3 + 2) /(√3 - 2) = 5 + 4 √3
@professorsargeanthikesclim9293Ай бұрын
No, by the difference of squares, it is 3 - 4 = -1.