BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1.5, Problem 27E
To determine

Solve the equations.

Expert Solution

Answer to Problem 27E

  t=2

Explanation of Solution

Given information:

  (t4)2=(t+4)2+32

Formula used:

Transposition of terms.

  (a+b)2=a2+b2+2ab(ab)2=a2+b22ab

Calculation:

  (t4)2=(t+4)2+32

Using (a+b)2 and (ab)2 in above equation

  t2+422(t)(4)=t2+42+2(t)(4)+32t2+168t=t2+16+8t+32

Cancelling t2,16 from both sides of equation

  8t=+8t+328t8t=3216t=32t=3216

  t=2

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