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AlgebraQuestion and Answers: Page 307

Question Number 52730    Answers: 0   Comments: 0

The area of a re

Theareaofare

Question Number 52573    Answers: 1   Comments: 0

Find the relation between p q and r if one of the root of the equation px^2 +qx+r=0 is double the other.

Findtherelationbetweenpqandrifoneoftherootoftheequationpx2+qx+r=0isdoubletheother.

Question Number 52572    Answers: 1   Comments: 0

In the equation ax^2 +bx+c=0.One root is the square of the other. Show that c(a−b)^3 =a(c−b)^3

Intheequationax2+bx+c=0.Onerootisthesquareoftheother.Showthatc(ab)3=a(cb)3

Question Number 52450    Answers: 0   Comments: 0

let P(x)=(1+ix −x^2 )^n −1 find roots of P(x) and factorize P(x)inside C(x).

letP(x)=(1+ixx2)n1findrootsofP(x)andfactorizeP(x)insideC(x).

Question Number 52421    Answers: 0   Comments: 2

Question Number 52412    Answers: 0   Comments: 3

Question Number 52406    Answers: 2   Comments: 0

Find the cube root of 26 + 5(√3)

Findthecuberootof26+53

Question Number 52397    Answers: 0   Comments: 1

Question Number 52282    Answers: 1   Comments: 7

Find the range of values of x ∣((x − 1)/(2x))∣ ≥ x^2 + 1

Findtherangeofvaluesofxx12xx2+1

Question Number 52200    Answers: 0   Comments: 0

proof that (√z^2 ) ≠ z , z ∈ C example i=(√(−1)) i^2 =−1 i^4 =1 (√(i^4 )) ≠ i^2 (√1) ≠ −1 1 ≠ −1

proofthatz2z,zCexamplei=1i2=1i4=1i4i21111

Question Number 52108    Answers: 1   Comments: 0

Question Number 52087    Answers: 1   Comments: 1

If 1,a_1 ,a_2 ,...,a_(n−1) are n^(th) roots of unity the find the value of (1/(1+1))+(1/(1+a_1 ))+(1/(1+a_2 ))+..+(1/(1+a_(n−1) )) n is odd number

If1,a1,a2,...,an1arenthrootsofunitythefindthevalueof11+1+11+a1+11+a2+..+11+an1nisoddnumber

Question Number 52086    Answers: 1   Comments: 3

If 1,a_(1,) a_2 ,...,a_(n−1) are n^(th) roots of unity, then prove that. (1+a_1 )(1+a_2 )..(1+a_(n−1) )= n if n is even 0 if n is odd

If1,a1,a2,...,an1arenthrootsofunity,thenprovethat.(1+a1)(1+a2)..(1+an1)=nifniseven0ifnisodd

Question Number 52449    Answers: 0   Comments: 0

let j=e^((i2π)/3) and P(x)=(1+jx)^n −(1−jx)^n with n integr natural 1) find roots of P(x) 2)factorize P(x) inside C[x] 3) calculate ∫_0 ^1 P(x)dx. 4) decompose inside C(x) the fraction F(x)=(1/(P(x)))

letj=ei2π3andP(x)=(1+jx)n(1jx)nwithnintegrnatural1)findrootsofP(x)2)factorizeP(x)insideC[x]3)calculate01P(x)dx.4)decomposeinsideC(x)thefractionF(x)=1P(x)

Question Number 52007    Answers: 2   Comments: 0

Solve: ((x/4))^(log_5 50x) = x^6

Solve:(x4)log550x=x6

Question Number 51922    Answers: 1   Comments: 0

find the value of... 1−(1/(1+(1/(i/(1+(i/(1+i))))))) pls help.

findthevalueof...111+1i1+i1+iplshelp.

Question Number 51843    Answers: 1   Comments: 3

If ax^2 +bx+c+i=0 has purely imaginary roots where a,b,c are non−zero real. answer given: a=b^2 c I think question is wrong since if z_1 and z_2 are roots than z_1 +z_2 =−(b/a) purely imaginary=purely real not possible Can some point a mistake.

Ifax2+bx+c+i=0haspurelyimaginaryrootswherea,b,carenonzeroreal.answergiven:a=b2cIthinkquestioniswrongsinceifz1andz2arerootsthanz1+z2=bapurelyimaginary=purelyrealnotpossibleCansomepointamistake.

Question Number 51772    Answers: 2   Comments: 0

x^3 +12x+12=0 Express your answer in surd form

x3+12x+12=0Expressyouranswerinsurdform

Question Number 51691    Answers: 1   Comments: 0

Question Number 51600    Answers: 1   Comments: 1

solve (sinθ)Z^2 −i(cosθ)Z+(1/4) sinθ=0

solve(sinθ)Z2i(cosθ)Z+14sinθ=0

Question Number 51436    Answers: 1   Comments: 0

If y = (((e^x + e^(−x) ). tanh x)/(e^x − sinh x)) prove that y′ = 2 sech^2 x

Ify=(ex+ex).tanhxexsinhxprovethaty=2sech2x

Question Number 51431    Answers: 3   Comments: 3

Find x and y x^2 + y^2 = 25 ...... (i) x^3 + y^3 = 91 ....... (ii)

Findxandyx2+y2=25......(i)x3+y3=91.......(ii)

Question Number 51368    Answers: 0   Comments: 8

Question Number 51227    Answers: 1   Comments: 4

How many odd numbers with different digits are there from 2019 to 9102?

Howmanyoddnumberswithdifferentdigitsaretherefrom2019to9102?

Question Number 51235    Answers: 2   Comments: 0

Without using tables, find tha value of ((((√5) +2)^6 −((√5)−2)^6 )/(8(√5) ))

Withoutusingtables,findthavalueof(5+2)6(52)685

Question Number 51163    Answers: 0   Comments: 0

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