Question 1

To expand (7r+5s)2 , you can use the pattern (a+b)2=a2+2ab+b2 .

What are the values of a and b?

Step-by-step explanation:

use the pattern

Apply FOIL method to multiply the parenthesis

Compare the expression with

The value of a=7r and the value of b=5s

Answer :

a=7r ,  b=5s

14

step-by-step explanation:

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

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