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Chapter 9: Q. 267 - Exercises (page 1077)

In the following question, simplify.

(a) 7-2-11

(b)76-14

Short Answer

Expert verified

(a) The value is -14-711.

(b) The value is67-98.

Step by step solution

01

Step 1. Given information .

Consider the given square roots .

(a)7-2-11 (b)76-14

02

 Using distributive property of multiplication .

The distributive property of multiplication isab-c=ab-ac.

03

Step 3.  (a)  Simplify 7-2-11 .

Using distributive property .

鈬�7-2-11鈬�7路-2-7路11鈬�-14-711

Therefore the value obtained after simplification is-14-711.

04

Step 4.  (b)  Simplify 76-14 .

Using distributive property .

鈬�76-14鈬�7路6-7路14鈬�67-98

Therefore the value obtained after simplification is67-98.

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