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If 1+ x+ x²+ x³+.....x^n = (1 + x)(1 + x²)(1 + x^4)(1 + x^8)(1 + x^16) then n =(a)32 (b)30 (c)16 (d)31 |
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Answer» In Such CASE the ANS is the ADDITION of all the INDEX. i.e.n=(1+2+4+8+16)=31. So the ans is (d)31. |
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