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Syllabus

what is (a+b+c)whole square

pls solve this question.... if (1+2i)(2+3i)(3+4i)= x+iy.Show that x^2 +y^2 =1625.

sir how to solve quadratic inequalities by wavy curve method

Q Find the square root of the complex number 5 -12i.if (1-i/1+i)

^{500}=a+ib, find the values of a and bprove that

cosA +cosB +cosC +cos(A+B+C) = 4cos((A+B) / 2)cos((B+C) / 2)cos((C+A) / 2)

Find the value of (1 +

i)^{4}(1 + 1/i)^{4 }Find the modulus and argument of 1 + 2 i / 1 - 3 i ???

if the ratio of the roots of the equation x

^{2}+px+q=0 is equal to the ratio of the roots of the equation x^{2}+lx+m=0, prove that mp^{2}=ql^{2}Express in polar form 1 + 2i/1-3i

If (x+iy)^1/3 =(a+ib),prove that (x/a+y/b)=4(a^2-b^2)?

find sqrt(1-i)

^{2}- √2x + 3√3 = 0.if alpha and beta are 2 different complex numbers with |beta| = 1, then find |beta-alpha/1-bar alpha*beta|

If z =(x+iy) and w =( 1 - iz) / (z - 1) such that | w | = 1 then show that z is purely real .

if (x+iy)

^{3}= u+iv, then show that u/x +v/y = 4(x^{2}- y^{2})find the value of x and y if (1+i)x-2i/3+i + (2-3i)y+i/3-i =i

find the complex numbers Z satisfying the equation:- |Z-4| / |Z-8|=1 & |Z-12 | /|Z-8i|=5/3

if z is a complex number and |z|=1 then prove that z-1/z+1 is a purely imaginary number(1+x+xshow that^{2})^{n}= a_{0 +}a_{1}x +a_{2}x^{2}+ a_{3}x^{3}+ .......+ a_{2n}x^{2n},a_{0}+a_{3}+a_{6}+ .......... = 3^{n-1}if x-iy=underroot [(a-ib)/(c-id)]

prove that(x

^{2}+y^{2})^{2}= a^{2}+b^{2}/c^{2}+d21/i^(4m+k), m belongs to N

_{1}|=1 ,|z_{2}|=2 ,|z_{3}|=3 and |9z_{1}z_{2}+ 4z_{1}z_{3}+ z_{2}z_{3}|=12 then find |z_{1}+ z_{2}+ z_{3}|Find the value of {i}107 + {i]112 + {i}117 + {i}122

(107,112,117,122 are in the power of i )

Find the value of a for which one root of the quadratic equation (a

^{2}-5a+3)x^{2}+(3a-1)x+2=0 is twice as large as the other.How can we eliminate alpha here? Please solve the problem?Solve :-

2x^{2}- (3+7i) x - (3-9i) = 0ANURAG.if (x+iy)(2-3i)=4+i then find (x,y)

express i-39 (iota raised to the power minus 39) in the form of a+ib

Solve :-

x^{2}-(7 - i) x + (18 - i) = 0 over C.ANURAG.If x + iy = a + ib/a- ib, show that x

^{2}+y^{2}=1If x = 2 + 2

^{2/3}+ 2^{1/3}, then find the value of x^{3 }- 6x^{2}+ 6x.if Z is a complex number such that Z-1 / Z+1 is purely imaginary.prove that |Z|=1

if the sum of the roots of the equation ax2 + bx + c = 0 is equal to the sum of the squares of their squares of their reciprocals , then show that bc

^{2}, ca^{2}, ab^{2}are in A.P.if a

^{2}+ b^{2}=1 , then find the value of 1+b+ia/1+b-ia(a+bw+cw

^{2})/(b+cw+aw^{2}) +(a+bw+cw^{2})/(c+aw+w^{2}) is,1). 1

2). -1

3). 2

4). -2

where, w represents omega.

if a is not equal to b and a^2=5a -3 , b^2=5b-3, then form the equation whose roots are a/b and b/a

Find the square root of this complex number:

2+3i/5-4i + 2-3i/5+4i

let alpha and beta are the roots of x

^{2}-6x-2=0,with alpha beta . if a_{n}=alpha^{n}-beta^{n }for n=1,then value of a(greater than or equal to one)_{10}-2a_{8}/ 2a_{9 }is??if a+ib= c+i / c-i , where c is real part

prove that

a square + b square =1

and b / a =2c / c square-1

find the magnitude and conjugate of the number (1/1-4i-2/1+i)

Q. If p+iq = (a-i)

^{2}/ 2a-i , show that p^{2}+q^{2}= (a^{2}+1)^{2}/ 4a^{2}+1.the argument of 1- i root 3 / 1 + 1 root 3 is

/32/34/3-2/3/6plz wid stEps i need it 2day itself.....

For the quadratic equation ax2+bx+c+0, find the condition that

(i) one root is reciprocal of other root

(ii) one root is m times the other root

(iii) one root is square of the other root

(iv) one root is nth power of the other root

(v) the roots are in the ratio m:n

if ( p+iq)2= x+iy, prove that (p2+q2)2=x2+y2

how to find the multiplicative inverse of 2-3i

Express it in the polar form: (i-1) / (cospi/3) + (isin pi/3).Also Find the arguement and modulus.

^{2}- (8-2m)x - (8-3m) = 0 are real . find the range of values of m for which one root is positive and the other root is negativefind the smallest positive integer n for which (1+i)^2n =(1-i)^2n

^{2}) (1+i^{3})(1+i^{4})isa,b,c are three distinct real numbers and they are in G.P. If a+b+c = xb, then prove that x<-1 or x>3.

Find the modulus and argument of complex number z=(1+i)^13/(1-i) ^7

Evaluate :

2x

^{3}+2x^{2}-7x+72,when x=(3-5i)/2if a =cosA+isinA,find the value of (1+a)/(1-a)

PROVE THAT A REAL VALUE OF x WILL SATISFY THE EQUATION 1 - ix / 1 + ix = a - ib , if a

^{2}+ b^{2}=1 ; where 'a' and 'b' are real.ii) Find the real values of x and y if (1 + 𝑖)𝑦2 + (6 + 𝑖) = (2 + 𝑖)𝑥

Show that the roots of (x-b)(x-c) +(x-c)(x-a) +(x-a)(x-b) =0 are real, and that they cannot be equal unless a=b=c.

solve :(2 + i)x

^{2 }- (5 -i)x + 2(1-i) = 0(2+i root of 3)

^{2}find the square root of

(1) 2

(2) sqrt(5)

(3) sqrt(10)

(4) 3

If (1+i/1-i)

^{3}- (1-i/1+i)^{3}= x+iy, then find (x,y)if x

^{2}+x+1=0.then find the value of(x+1/x)^{2}+(x^{2}+1/x^{2})^{2}+(x^{3}+1/x^{3})^{2}+-------------(x^{2}^{7}+1/x^{27})^{2}. the value of 'b' for which equationsQx

^{2}+bx-1=0x

^{2}+x+b=0have one root in common is ??

9. Express i

^{9}+ i^{10}+ i^{11}+ i^{12}in the form of a+ibif a+ib =( (x+i)

^{2}) / (2x^{2}+ 1)prove that a2 +b

^{2}=((x^{2}+ 1)^{2}) / (2x^{2}+1)^{2}Provide R.D Sharma solutions of class 11 as it is a common demand by many students

FIND THE MODULUS OF (1+7i) / (2-i)

^{2}If the roots of the equation x

^{2}-2ax+a^{2}+a-3 =0 are less than 3 then find the set of all possible values of a. (ans : -infinity, 2)If a+ib = c+i / c-i, where c is real, prove that a

^{2}+ b^{2 }=1 and b/a = 2c / c^{2}-1.^{2}+b^{2}If iZ

^{3}+ Z^{2 }- Z + i = 0 ' then show that mode of Z = 1