A beautiful Olympiad Exponential Trick

A beautiful Olympiad Exponential Trick | 9^900 - 9^901

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Күн бұрын

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Пікірлер: 30

@richardmullins44 Ай бұрын

-8 * 9^900 = - 2^3 * =3^ 1800 = - (2 X 3^600)^3. It's all a mattter of trying to guess what answer the marker prefers. I agree with beautiful mind, but I have no resonance at all with these tests. Let me ask open ai. It says the answer is -8 x 9^900. I'll go with that.

@ei9896 2 ай бұрын

9^900×[1-9]=-8×9^900

@Psykolord1989 Ай бұрын

Before watching: So, this is a fairly easy problem. 9^900 - 9^901 = (9^900)(1-9) = -8(9^900). By and large, teachers won't require you to try and simplify further.

@MrBmarx 2 ай бұрын

(-2.3^300)^3 that’s the best way to give the solution.

@MichaelMoore99 3 ай бұрын

I got to the point of 2:17 in about 3 seconds in my head, but I was stuck on how to go any further other than just multiplying it out. However, one thing you could do is take that ^3 and factor it out, since 1800 is divisible by 3. ((3^600)*2)^3

@anthonyvalenti9093 3 ай бұрын

What? Answer -8x 9^900

@user-Zi9 2 ай бұрын

It's very simple.

@吳昶霖 2 ай бұрын

（-8）×9^900

@khaledalsaoub6760 2 ай бұрын

Great

@Mythrych 2 ай бұрын

I mean sure, it issolved that way, but what's beautiful about it? You are given two big numbers, you substract and get one number, that's still big.

@atikulkabir7900 Ай бұрын

What if we use log?

@beautifulmindinpuzzles7716 2 ай бұрын

What a poor method and what a poor answer.

@chaihaohung6792 2 ай бұрын

Just want to show us how to use power rule？？

@Dddaggg 2 ай бұрын

何がしたいんだろう？

@ParalyticAngel Ай бұрын

A calculator which can calculate 900 in the exponent is not intvented yet.^^

@OmPrakashMishra-nz2qp 2 ай бұрын

The answer will be (-9).

@prince2567 2 ай бұрын

又一個不喜歡計算憑直覺猜答案的，用代數法令9^900=x,帶入可得答案為-8x

@MsRomanFed 2 ай бұрын

He did not solve the task. Dont spend time

@nahumbaskin1883 2 ай бұрын

-8

@denisdamazio 2 ай бұрын

What a annoying answer

@ОлегМехов-в6р 2 ай бұрын

Глуповатые задачи с примитивными решениями

@SidneiMV 2 ай бұрын

9⁹⁰⁰(1 - 9) = -8¹9⁹⁰⁰ = -2³9⁹⁰⁰ = -(2¹9³⁰⁰)³

@BP-gn2cl Ай бұрын

Third class teacher

@malasengupta8670 2 ай бұрын

Bad method.

@zakzakzak3345 2 ай бұрын

Блин, ну зачем тат подробно? Да ну тебя, достал подробностями. Не буду больше тебя смотреть.

@Archik4 2 ай бұрын

А где ответ в этом видео?

@Archik4 2 ай бұрын

В 9-значной системе счисления это выглядит как 10...0 (900 нулей) и минус 10...0(901 нулей). Это легко вычесть получим -8...8. Однако при попытке применить потом геометрическую прогрессию получишь то что было в начале задачи.