Test your limits with our Elite Pro-Vault Questions for mathematics
Theminimumvalueof4x+4(1−x)foranyrealnumberxis:The minimum value of 4^x + 4^(1-x) for any real number x is:Theminimumvalueof4x+4(1−x)foranyrealnumberxis:
Thesumoftheinfinitegeometricprogression1+1/3+1/9+1/27+...is:The sum of the infinite geometric progression 1 + 1/3 + 1/9 + 1/27 + ... is:Thesumoftheinfinitegeometricprogression1+1/3+1/9+1/27+...is:
For∣x∣<1,thesumtoinfinityoftheseries1+2x+3x2+4x3+...is:For |x| < 1, the sum to infinity of the series 1 + 2x + 3x² + 4x³ + ... is:For∣x∣<1,thesumtoinfinityoftheseries1+2x+3x2+4x3+...is:
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