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If w be a imaginary cube root of uniyt and a+b+c=0 then show that `(a+bw+cw^2)^3+(a+bw^2+cw)^3=27abc`

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 15-EXERCISE
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  3. If w be a imaginary cube root of uniyt and a+b+c=0 then show that (a+b...

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  4. How many different numbers of 5 digits each (without repetition of dig...

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  17. Show that tanalphatanbeta=tan^2gammawhen tan(alpha-beta)/tanalpha+sin^...

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  18. Sum of the square of three different terms, which are in GP is s^2. If...

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  19. Draw the graph and find the common solution region of the . following ...

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  20. Solve.sqrt3x^2-sqrt2x+3sqrt3=0

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