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Let n be a positive intgeger Let A= sum(...

Let n be a positive intgeger Let `A= sum_(k=0)^(n)(-1)^(k)""^(n)C_(k)[((1)/(2))^(k)+((3)/(4))^(k)+((7)/(8))^(k)+((15)/(16))+((31)/(32))^(k)]`
If `63A=1-(1)/(2^(30))` then n is equal to ......

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