2A + B = 1.7 given a + B = 1, what are a and B?

2A + B = 1.7 given a + B = 1, what are a and B?


2a+b=1.7
a+b=1
Subtraction:
a=0.7
Substituting: a + B = 1
b=1-0.7=0.3



q^3=-1/2
q^3=-1/2.
Forget about it


Q = - [4 under the third radical] / 2



Simplify "2 √ 27 - √ 48 + √ 1 / 3"


The original formula is 2 √ 3 × 3 - √ 4 × 4 × 3 + 1 / √ 3
=6√3-4√3+√3/3
=2√3+√3/3
=(6√3+√3 )/3
=7√3/3
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