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Show that the co-efficient of the middle term of the expansion of`(1+x)^12`is equal to the sum of the co-efficient of middle terms of.'the expansion of `(1 + x)^11`.

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 3-EXERCISE
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  2. Prove by mathematical induction:(3^(4n+1)+2^(2n+2))is divisible by 7.

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  3. Show that the co-efficient of the middle term of the expansion of(1+x)...

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  11. ‘I80 is the multiple of 4 or 5 examine the validity of the compound st...

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  12. ‘x is such a real number that 4x^3 + 3x= 0, then x = O’. Find the trut...

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  13. The AM and SD of the marks obtained in the subjects' Bengali, .English...

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  14. If cosalpha=siny/sinx,cosbeta=sinz/sinxand cos(alpha-beta)=siny sinz.S...

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  16. Find the common solution region by. the graphical method.3x+2yle18,x+2...

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  17. Solve :x^2+x/sqrt2+1=0

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  18. Find the sum upto nth term : ,1 + 4 + 13 .+ 40 + ........

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