Question

9. Simplify each of the following expressions :
(i) (5+15) (2+ V3) (i) (15-13) (15 +13)
(iii) 33+227+
7
(NCERT Exemplar Problems]
V3
(iv) (17-152
(v) (3/5+23)2 + (3/6-2/3)2
3 1
(vi)
18 12
(NCERT Exemplar Problems)
10. Represent 56 on the number lino​

Answer 1

Answer:

9. (i) (5+15) (2+√3)

5(2+√3) +15(2+√3)

10+5√3+30+15√3

40+20√3

(ii) (15-3) (15+3)

(15)^2-(3)^2

225-9

216

(iii) 33+227+7√3

260+7√3

(iv) 17-152

-135

Step-by-step explanation:

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