find the value of (47)3 in short cut method
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Answer:
(47)³ = 103823
Step-by-step explanation:
(47)³ = (50-3)³
It is in the form of (a-b)³
where, a=50 and b=3
Applying the formula (a-b)³=a³-3a²b+3ab²-b³, we get,
(50-3)³ = 50³-3(50)².3+3(50).3²-3³
(50-3)³ = 125000 - 22500 + 1350 - 27
(50-3)³ = 103823
(47)³ = 103823
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