4bsquare -1 pls answer fast
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4b²-1=0
4b²=1
b²=1/4
b=√1/4
b=±1/2
b=1/2. & b=-1/2
4b²=1
b²=1/4
b=√1/4
b=±1/2
b=1/2. & b=-1/2
nichi:
I mean factorise
(b+1/2)(b-1/2)
Thanks
my pleasure!!
OK
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