Question

in (a+b)^2=a^2+6a+9 the what is the positive value for b
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Answer 1

Answer:

3

Step-by-step explanation:

given, (a+b)²=a²+6a+9

we know (a+b)²=a²+b²+2ab

on equating coefficients,

2ab=6a

b=3

hope it helps :)

Answer 2

given ,

(a+b)^2 = a^2+6a+9

(a+b)^2= (a+3)^2

square root of both side then

a+b=a+3

b=3