Fill in the blank for the missing term. Remember to use the special formula a)(_______ + s)2 = 1 / 9 + _______ + _______b)(_______ − _______)2 = 9x2 − 42x + _______c) (_______ − 2 / 3b) (_______ + ________) = 25 /49a2 − 4 / 9b2

a)(....+5)2=19+......+......we know that (a+b)2=2ab+a2+b2compair 2ab=19,…

Answered: Fill in the blank for the missing term.…

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Related questions

Question

Fill in the blank for the missing term. Remember to use the special formula

(_______ + s)² = 1 / 9 + _______ + _______

(_______ − _______)² = 9x² − 42x + _______

(_______ − 2 / 3b) (_______ + ________) = 25 /49a² − 4 / 9b²

Expert Solution

Step 1

$a) {(. . . . + 5)}^{2} = \frac{1}{9} + . . . . . . + . . . . . . w e k n o w t h a t {(a + b)}^{2} = 2 a b + a^{2} + b^{2} c o m p a i r 2 a b = \frac{1}{9}, b = 5 2 a (5) = \frac{1}{9} a = \frac{1}{9 x 2 x 5} a = \frac{1}{90} t h e r e f o r e {(\frac{1}{90} + 5)}^{2} = \frac{1}{9} + {(\frac{1}{90})}^{2} + 5^{2}$