हिंदी

State true or false for the following: If three complex numbers z1, z2 and z3 are in A.P., then they lie on a circle in the complex plane.

Advertisements
Advertisements

प्रश्न

State true or false for the following:

If three complex numbers z1, z2 and z3 are in A.P., then they lie on a circle in the complex plane.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य
Advertisements

उत्तर

This statement is False.

Explanation:

Because if `barz_1`, z2 and z3 are in A.P.

Then z2 = `(z_1 + z_3)/2`

⇒ z2 is the midpoint of z1 and z3, which implies that the points z1, z2, z3 are collinear.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Complex Numbers and Quadratic Equations - Solved Examples [पृष्ठ ८५]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 11
अध्याय 5 Complex Numbers and Quadratic Equations
Solved Examples | Q 17.(vi) | पृष्ठ ८५

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Find the multiplicative inverse of the complex number:

4 – 3i


Express the following expression in the form of a + ib.

`((3 + sqrt5)(3 - isqrt5))/((sqrt3 + sqrt2i)-(sqrt3 - isqrt2))`


If (a + ib) (c + id) (e + if) (g + ih) = A + iB, then show that (a2 + b2) (c2 + d2) (e2 + f2) (g2 + h2) = A2 + B2.


Simplify the following and express in the form a + ib:

`5/2"i"(- 4 - 3 "i")`


Simplify the following and express in the form a + ib:

(1 + 3i)2 (3 + i)


Simplify the following and express in the form a + ib:

`(4 + 3"i")/(1 - "i")`


Find the value of : x3 + 2x2 – 3x + 21, if x = 1 + 2i


Write the conjugates of the following complex number:

cosθ + i sinθ


Show that 1 + i10 + i100 − i1000 = 0 


Evaluate: `("i"^37 + 1/"i"^67)`


Show that `((sqrt(7) + "i"sqrt(3))/(sqrt(7) - "i"sqrt(3)) + (sqrt(7) - "i"sqrt(3))/(sqrt(7) + "i"sqrt(3)))` is real


Find the value of x and y which satisfy the following equation (x, y∈R).

`(x+ 1)/(1 + "i") + (y - 1)/(1 - "i")` = i


Select the correct answer from the given alternatives:

If n is an odd positive integer then the value of 1 + (i)2n + (i)4n + (i)6n is :


Select the correct answer from the given alternatives:

The value of is `("i"^592 + "i"^590 + "i"^588 + "i"^586 + "i"^584)/("i"^582 + "i"^580 + "i"^578 + "i"^576 + "i"^574)` is equal to:


Answer the following:

Simplify the following and express in the form a + ib:

`5/2"i"(-4 - 3"i")`


Answer the following:

Simplify the following and express in the form a + ib:

(1 + 3i)2(3 + i)


Solve the following equation for x, y ∈ R:

2x + i9y (2 + i) = xi7 + 10i16


Answer the following:

Evaluate: (1 − i + i2)−15 


Answer the following:

Show that z = `((-1 + sqrt(-3))/2)^3` is a rational number


Answer the following:

Simplify `[1/(1 - 2"i") + 3/(1 + "i")] [(3 + 4"i")/(2 - 4"i")]`


If z ≠ 1 and `"z"^2/("z - 1")` is real, then the point represented by the complex number z lies ______.


Evaluate: (1 + i)6 + (1 – i)3 


The real value of ‘a’ for which 3i3 – 2ai2 + (1 – a)i + 5 is real is ______.


The value of `(- sqrt(-1))^(4"n" - 3)`, where n ∈ N, is ______.


State true or false for the following:

Multiplication of a non-zero complex number by i rotates it through a right angle in the anti-clockwise direction.


State true or false for the following:

The points representing the complex number z for which |z + 1| < |z − 1| lies in the interior of a circle.


1 + i2 + i4 + i6 + ... + i2n is ______.


The area of the triangle on the complex plane formed by the complex numbers z, –iz and z + iz is ______.


For a positive integer n, find the value of `(1 - i)^n (1 - 1/i)^"n"`


If `(1 + i)^2/(2 - i)` = x + iy, then find the value of x + y.


State True or False for the following:

Multiplication of a non-zero complex number by –i rotates the point about origin through a right angle in the anti-clockwise direction.


State True or False for the following:

The locus represented by |z – 1| = |z – i| is a line perpendicular to the join of (1, 0) and (0, 1).


The value of `(z + 3)(barz + 3)` is equivalent to ______.


Which of the following is correct for any two complex numbers z1 and z2?


If α, β, γ and a, b, c are complex numbers such that `α/a +  β/b + γ/c` = 1 + i and `a/α +  b/β + c/γ` = 0, then the value of `α^2/a^2 +  β^2/b^2 + γ^2/c^2` is equal to ______.


Simplify the following and express in the form a + ib.

`(3i^5 +2i^7 +i^9)/(i^6 +2i^8 +3i^18)`


Evaluate the following:

i35


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×