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CBSE Class 11-science Answered

25th sum
question image
Asked by lovemaan5500 | 03 Jun, 2018, 12:56: PM
answered-by-expert Expert Answer
begin mathsize 16px style 6 to the power of straight n equals open parentheses 1 plus 5 close parentheses to the power of straight n
equals straight C presuperscript straight n subscript 0 1 to the power of straight n 5 to the power of 0 plus straight C presuperscript straight n subscript 1 1 to the power of straight n minus 1 end exponent 5 to the power of 1 plus straight C presuperscript straight n subscript 2 1 to the power of straight n minus 2 end exponent 5 squared plus...... plus straight C presuperscript straight n subscript straight n 5 to the power of straight n
equals 1 cross times 1 plus fraction numerator straight n factorial over denominator 1 factorial open parentheses straight n minus 1 close parentheses factorial end fraction 5 plus fraction numerator straight n factorial over denominator 2 factorial open parentheses straight n minus 2 close parentheses factorial end fraction 5 squared plus........ plus 1 cross times 5 to the power of straight n
equals 1 plus straight n left parenthesis 5 right parenthesis plus fraction numerator straight n open parentheses straight n minus 1 close parentheses over denominator 2 end fraction 5 squared plus..... plus 5 to the power of straight n
6 to the power of straight n minus 5 straight n equals 1 plus fraction numerator straight n open parentheses straight n minus 1 close parentheses over denominator 2 end fraction 5 squared plus..... plus 5 to the power of straight n
6 to the power of straight n minus 5 straight n equals 1 plus 25 open parentheses fraction numerator straight n open parentheses straight n minus 1 close parentheses over denominator 2 end fraction plus..... plus 5 to the power of straight n minus 2 end exponent close parentheses
6 to the power of straight n minus 5 straight n equals 1 plus 25 straight k
divident equals divisor space cross times space Quotient space plus space Remainder
end style
Answered by Arun | 04 Jun, 2018, 10:57: AM

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