(2+√3)^3
simplyfy the following
Answers
Answered by
1
Answer:
Step-by-step explanation:
Simplify the radical by breaking the radicand up into a product of known factors.
Exact Form:
26 + 15 √ 3
Decimal Form:
51.98076211...
Answered by
0
The above is in the form of (a+b)³.
(a+b)³=a³+3a²b+3ab²+b³
(2+√3)³=(2)³+(3)(2)²(√3)+(3)(2)(√3)²+(√3)³
=8+(3*4*√3)+(3*2*3)+9√3
=8+(12√3)+18+(9√3)
=26+21√3
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