Question

37.
5
Simplify (a +a+1) +5 and find its value for
(i) a= 0, (ii) a = 1 (iii) a = -1.​

Answer 1

(a+a+1) + 5

(i) a=0

(0+0+1) + 5

= 1 + 5

= 6

(ii) a=1

(1+1+1) + 5

= 3 + 5

= 8

(iii) a= -1

[-1+(-1)+(1)] + 5

= [-1-1+1] + 5

= -1 + 5

= 4

Step-by-step explanation:

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