solve this by using binomial theorem (399)^⁴ and (203)^-³ ?
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Given : 399⁴ & (203)³
To find : Solve using binomial theorem
Solution:
binomial theorem :
k = 0 to n
399⁴
= (400 - 1)⁴
= ⁴C₄400⁴(-1)⁰ + ⁴C₁400³(-1) + ⁴C₂400²(-1)² + ⁴C₃400¹(-1)³ + ⁴C₄400⁰(-1)⁴
= 25600000000 - 256000000 + 960000 - 1600 + 1
= 25344958401
399⁴= 25344958401
(203)³
= (200 + 3)³
= ³C₀200³(3)⁰ + ³C₁200²(3)¹ + ³C₂200¹(3)² + ³C₃200⁰(3)³
= 8000000 + 360000 + 5400 + 27
= 8365427
(203)³ = 8365427
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