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Chapter 5: Q. 5.49 (page 524)

Multiply: (a)5y7-7y4

(b) 25a4b315ab3.

Short Answer

Expert verified

Result is

(a)-35y11

(b)6a5b6

Step by step solution

01

part (a) Step 1 Given information  

5y7-7y4

02

part (a) Step 2 

5y7-7y4=5脳-7脳y7+4=-35y11

03

part (b) Step 1 Given information  

25a4b315ab3

04

part (b) Step 2 

25a4b315ab3=25脳15脳a4+1脳b3+3=6a5b6

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