If alpha+beta=4" and "alpha^(3)+beta^(3)...

If `alpha+beta=4" and "alpha^(3)+beta^(3)=44" the "alpha, beta` are the roots of the equation

`2x^(2)-7x+6=0`

`3x^(2)+9x+11=0`

`9x^(2)-27x+20=0`

`3x^(2)-12x+5=0`

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If Zr =cos ((pi)/(2^r))+isin((pi)/(2^r)) then Z(1).Z(2).Z(3)"…….." upt...
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In the Argand diagram OAP is an isosceles right angled triangle, right...
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The real part of [1+cos(pi/5)+isin (pi/5)]^(-1)
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If one of the roots of the equation x^(2)+bx+3=0 is thrice the other t...
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If alpha, beta are the roots of the equation (x-a)(x-b)=5 then the roo...
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If alpha, beta are roots of the equation ax^(2)+bx+c=0 then the value...
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If z= re^(i theta)" then "|e^(iz)|=
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i^(2)+i^(4)+i^(6)+"…………up to "(2k+1) terms, k in N is
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