HSC Science (Computer Science) ११ वीं कक्षा - Maharashtra State Board Question Bank Solutions

If a = `(-1 + sqrt(3)"i")/2`, b = `(-1 - sqrt(3)"i")/2` then show that a² = b and b² = a

If x + iy = (a + ib)³, show that `x/"a" + y/"b"` = 4(a² − b²)

If `("a" + 3"i")/(2+ "ib")` = 1 − i, show that (5a − 7b) = 0

If x + iy = `sqrt(("a" + "ib")/("c" + "id")`, prove that (x² + y²)² = `("a"^2 + "b"^2)/("c"^2 + "d"^2)` 

If (a + ib) = `(1 + "i")/(1 - "i")`, then prove that (a² + b²) = 1

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

If (x + iy)³ = y + vi then show that `(y/x + "v"/y)` = 4(x² – y²)

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

(x + 2y) + (2x − 3y)i + 4i = 5

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

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

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

`((x + "i"y))/(2 + 3"i") + (2 + "i")/(2 - 3"i") = 9/13(1 + "i")`

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

If x(1 + 3i) + y(2 − i) − 5 + i³ = 0, find x + y

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

If x + 2i + 15i⁶y = 7x + i³ (y + 4), find x + y

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:

Select the correct answer from the given alternatives:

`sqrt(-3) sqrt(-6)` is equal to

Answer the following:

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

`3 + sqrt(-64)`

Answer the following:

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

(2i³)² 

Answer the following:

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

(2 + 3i)(1 − 4i)

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)