This video teaches the algebraic identity (x + 1/x)² = x² + 2 + 1/x², demonstrating how to solve problems by squaring both sides of an equation. For example, if x + 1/x = 7, then squaring both sides gives x² + 2 + 1/x² = 49, so x² + 1/x² = 47. The instructor explains this identity-based approach for solving algebraic problems involving reciprocal terms.
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ALGEBRA CLASS 1追加:
That's Foreign speech. Foreign speech.
Excuse me.
Okay. How class 14 Next coordinate geometry.
Coordinate.
Useful reason. Useful results.
identity based question. Identity based questions polar polomial Quadratic and others.
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What's up Nice one.
For example, s plus One by one s one then sus -1 - 1 = - 2 s 1 s you soonize 40 x one any part any one 1 192 - one power - 17 plus - 1 - 12 - 1 - already.
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One One s one one.
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Fore 57 one7 1 + 1 by Kus S + 1 by Sus = 1 - 1 k - 1 - Oneusful reason.
One, two, three, four, five, six, seven.
S² + 1 by S² + solution for X + 1 S + 1 by S + 1 by S both square + A B A X² X² + 1 by S.
X + X + 1X S = 5. Then S² + 1X S² = 5² S 4 / 1 s 4 if x + 1 s 4 1 square + b square + A square x² + 1 x² again x² + 1 by x²ing AS a square x² 4 + 1 + a square.
Therefore, if x + 1 s Useful useful x + 1 by s = S 4 + 1 s 49 47 49 47 47 49 7 47 47USt + 1 by Some identity algebra identity identity identity single I didn't see that.
A plus B square a square + A + B A minus S 1 s + 1 + 1 s a b cube A A plus B plus T A plus A A plus B A plus A plus B + A whole into A + Fore a minus a formula.
If s + 1 by s then s + 1 by s + 1 sus If a s + 1 by s = 7 then s + 1 s this is 7us This is 7 - 7 3 Three2 Susq + 1 x^ 7 + 1 by sq + 1 by s 4 + 1 by s 1 by 1 sinus minus s + 1 by s.
S 1 by S.
S + 1 S 2 S + 1 by S - S + 1 by S S + 1 S + 1 by S.
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I should be Abra One s x x + 1 a 3 into a number Trying to see x^ 4 1 by s power 1 by s 40us level.
MCD n + 1 by n + n + 1 by Then process x + 1 by s 1x This is what it seems to get done.
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- 2.
A square + B square + A B + 2 N + 1 Z S + 1 by X s + 1 by x + 1 by x a <unk>3 + 1 <unk>3 minus a roo<unk>3 33 - 3 roo<unk>3 s + 1 s + 1 by sulf 0 square - 2 0 - 2 - 2 C.
A + 1 A 92 49 49 47 A plus 1 by A7 A 1 by A + 1 by A 4 + 1 by A 4 - A S + 1 by S 1 A + a² + 1 by s² a + 1 by a - s + 1 by sus.
A square - 2 7 49 2 - 47 A + B A - 7 - 3 2 3 22 for speech.
5127.
Option number is the right answer.
divisible by divisible by A square + 1 - a + 1 A cus US Cus 182 3 4us 2 34 Six. Six.
system - 34 into 61. for Okay.
Three.
They open that.
Next aq + 1 182 C A + 1 by A² 3 3 4 3 2 1 4 - 2 = 322 And I mechan weather.
Okay.
X - 1 by X² + 1 by square First x² + 1 x² Sorry.
Very good.
This one by S4 Sus Aqua A minus B A X - 1 by X.
Come here.
Last question.
for 7 + 2 9 81 concept mental For compind A + 1 by AU.
C A² + 9 square 81 C + 2 S A + 2 - 2 79 forge class.
for you.
Can I Hello.
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